How to protect your valuable company data on your computers during power interruptions?… Have you considered buying a UPS

Uninterruptable Power Supplies (UPS) Buying Tips
Summers here! … and Summer In Australia means Power Shortages and often leading to Blackouts (no power) or brownouts (low power ie low voltage and current) sometimes these are planned by the Electricity Suppliers to share the extra load during Hot Days… sometimes they occur unplanned because of overloaded or failed equipment either way Your expensive computer or in the case of a business your Server and the data in it could be rendered useless. UPS is the easiest way to protect your hardware and data. For a better and more thorough protection, you need a UPS. It isn’t intended to power you through a blackout though. For that, you would need a generator. Rather, a UPS will let you save your work and power down safely.
A UPS is designed to protect your computer you against such power fluctuations and more importantly, power up your computer even when there is no electricity. Here are a few tips that should help you make a more informed UPS purchasing decision.
Power Outlets
When purchasing a UPS, make sure the power rating is right for your equipment. If you buy one that is rated too low, you might run out of juice before you can power down. Most UPS devices are designed to provide 10 minutes of power. When selecting a UPS, you need to look at the VA rating — or amps multiplied by voltage (240v). The amp rating should be listed on your computer. Add up the VA ratings of everything you will connect to the UPS, then purchase a UPS with a VA rating 20-25% higher. If you are a home PC user, look for a UPS with a 1000-1400 VA rating.
Choose a good length Of Backup time
Don’t expect your UPS to keep your PC running all day. Most UPSes are engineered to provide you a backup time of around 10 to 20 minutes. What they essentially do is save your work when there is a power outage and avoid an abrupt shutdown that could mess up your computer settings. Choose the UPS that meets your backup time demands.
Other features of a UPS
When you are buying a UPS, ask the vendor about more features than just power. This will help you in finding the UPS which has that one additional option that will help you in your buying decision. Of course, the best feature is Automatic Voltage Regulation (AVR) which isolates your PC from voltage fluctuations that lead to computer disturbances. A UPS with AVR conditions the incoming power before being fed to the PC’s Switch Mode Power Supply (SMPS). Most UPSes also automatically initiate a scheduled shutdown sequence when the power is lost, after saving your work, to prevent damage to the computer hardware.
Warranty
Obtain a guarantee before buying a UPS. Undue delays in replacements can affect business. Some vendors offer onsite warranties, where they replace the batteries at your place. If you are planning to use the UPS at work, go for a longer warranty term.
Battery replacement
The general rule is three years. But if you are experiencing low backup times more frequently, you could get the battery replaced immediately if it’s under warranty. If you are facing no problems, expect your battery to work for three years. Its advisable to buy replacement battery cartridges while you are buying the UPS. These cartridges will breathe new life into UPS systems suffering from expired or weak internal batteries.
Power up
Contrary to the myth, its perfectly fine to leave the main switch on even when you are no longer working and the computer is shut down. However, its best to pair your UPS with a voltage stabilizer for additional safety.
Software reporting
The software provided with the UPS is not always accurate with its reports. So don’t listen to it when it says your battery needs to be replaced even though you’ve never experienced low backup times. These faulty reports shouldn’t worry you because they may be trying to get you to purchase the company’s product more frequently (a common problem with print cartridges.) The software is good at its essential function of shutting down the PC properly and saving your work, but you may be the best option to determine whether its time to change the battery.
Tips and tricks
Do not overload the UPS by, for example, connecting external devices like the printer, scanner and the fax machine. NEVER plug a printer into the battery backup system. To optimize the charge of your batteries, you should discharge them completely at least once a month. And lastly, make sure the UPS is properly grounded all the time to prevent any electrical disasters.
Shop around compare specifications against Price..
Standby UPSs are available in the range of 300VA to 500VA for office use, and up to 2KVA to 3KVA for workstations and large servers. Inexpensive standby UPSs ranging in price from $50 to $125 are used by millions of users of personal computers all over the world. Some of them include brands like Belkin, American Power Conversion (APC), Cyber Power, Data Shield, EFI, NCR, SAFE, Pacific Power, Sola and UP Sonic.
Conclusion
Basically , there are two kinds of UPS systems. The Standby Power System (SPS) and Online UPS System. If you are a home user, go for the relatively cheaper SPS. The price of an online UPS is three to five times that of a standby UPS with the same power rating. For servers, buy an online UPS (online means outgoing power is always drawn from the battery). Expect to pay between $150 and $1,000 for an online UPS. The higher the VA rating, the more you’ll pay. You might also want to consider buying one with advanced-battery features. These features include intelligent-battery management, battery-replacement indicator, and hot-swappable user-replaceable batteries.
Remember
An UPS isn’t intended to power you through a blackout.. For that, you would need a generator. However an UPS is a cost effective way to let you save your work and power down safely.
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Of course the best way is to ensure that your computer and UPS system is safe and working well is to give us a call.

Tested & True ~ test & tag Adelaide uses the very latest in Portable Appliance Testing…The STC Pro-Logger 2 it can perform static testing class 1,2 & M ,RCD testing, Earth Leakage Detection, 3 phase run testing and logs results as you test. all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.
Call Now Mobile 040 7605568
Visit us at
http://www.testedandtrue.com.au
or our Facebook Page at https://web.facebook.com/testedtrue
Peter Hill Manager , Tested & True ~ test & tag Adelaide Jan 2018

SSN
National Coverage through the Safety Services Network (SA State Member)

|Test and Tag||Lonsdale||Adelaide||South Australia|

Safety Switch, AKA RCD Breaker. Your first line Defence for Electrical Safety

Safety Switch 101
The best single safety investment you can make for your Workplace or dwelling is to buy a Safety Switch. Installing a Safety switch is the most effective method of preventing injury or death caused by electric shock. A safety switch works by detecting tiny differences in current through electrical wiring, and it can detect a potential path to earth. Take the example of a person holding a faulty appliance that has an electric charge thereby providing a path to earth. A truly effective Safety Switch will detect that leaking electrical path and shut all the power down in mere milliseconds, quite often before the sensation of electrocution is felt, thereby preventing a harmful or potentially fatal electric shock. Safety switches are Electro-mechanical devices and over time can be subject to failure. They should be tested regularly to make sure they are in working order.
Safety Switches can be prone to trip under certain conditions… There are a number reasons why a safety switch will trip. The Top 5 reasons are:

IMG_2847
An Appliance Fault
When an appliance becomes damaged or develops a fault, it may start to leak excess electrical current. This excess current will be detected by the safety switch and cause it to trip. The easiest way to determine if this is the problem is by unplugging all electrical appliances at the power point, resetting the safety switch and then reconnecting the appliances one by one until the faulty appliance can be identified. Always use caution when dealing with possible faulty appliances and if in doubt contact an electrician.
Intermittent or Nuisance Tripping
As the amount of electrical appliances we have in our home increases, so does the likelihood of Nuisance Tripping. If there are a large number of appliances plugged in to the home at one time and a small amount of current leaks from each, the current adds up to become more substantial. This may mean that the safety switch is continuously on the verge of tripping. If there is the tiniest change in electrical current from the electricity company this can push the switch to its limit causing it to trip. This can become more of a problem in older homes where the electrical wiring is not in good condition. Limiting the amount of appliances plugged in at one time can help minimize this type of tripping.
House Wiring Fault
Faulty wiring poses the most threat to our safety and presents the worst fire risk. Fortunately, a safety switch dramatically reduces these risks. All wiring deteriorates over time and can become dangerous, so older houses are obviously more at risk. A safety switch will detect any fluctuation in electrical current caused by damaged wiring and trip, cutting off electricity immediately and stopping the wiring from burning out. A qualified electrician can assess your electrical wiring and may suggest repair or replacement.
Faulty Safety Switch
Sometimes the cause of a safety switch tripping can be the switch itself. As with any electrical appliance, a safety switch can become defective with age or mistreatment. Safety switches should be checked every six months to ensure they are working effectively. A qualified electrician can offer advice on how to do this, or do it for you if you are unsure.
Electrical Storm
An Electrical Storm can also be the cause of a safety switch going off. When lightning strikes your home, power lines or a power station it may cause a power surge which can cause a safety switch to trip. If this occurs, it is best to wait until the storm passes before resetting the switch. If in doubt always consult an electrician.
Without the right safety equipment and safety precautions, electricity can be deadly. Always check with an electrician if you are unsure why your safety switch has gone off.
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By the Way did you know that you need your RCD tested as often as every six months, it is SafeWork requirement. Tested & True ~ test & tag Adelaide uses the very latest in Portable Appliance Testing…The STC Pro-Logger 2 it can perform static testing class 1,2 & M ,RCD testing, Earth Leakage Detection, 3 phase run testing and logs results as you test. all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.
Call Now Mobile 040 7605568
Visit us at
http://www.testedandtrue.com.au
or our Facebook Page at https://web.facebook.com/testedtrue
Peter Hill Manager , Tested & True ~ test & tag Adelaide June 2017

SSN
National Coverage through the Safety Services Network (SA State Member)

|Test and Tag||Lonsdale||Adelaide||South Australia|

Understanding the Danger of Electrical shock

The 2  Major hazards attributed to electrical equipment and wiring are electrical shock and fire. Electrical shock occurs when the body becomes part of the electric circuit, either when a part of your body comes in contact with both of the active component (Active/Neutral)wires of an electrical circuit, or one wire of an energized circuit and the Earth wire (or grounded wire)…., or a foreign conductive object that has become energized by contact with an electrical conductor.

The severity and effects of an electrical shock depend on a number of factors, such as the pathway through the body, the amount of current, the length of time of the exposure, and whether the skin is wet or dry (ie sweat). Water is a great conductor of electricity, allowing current to flow more easily in wet conditions and through wet skin.

240V can kill!The effect of the shock may range from a slight tingle to severe burns to cardiac arrest. The chart below shows the general relationship between the degree of injury and amount of current for a 50-cycle hand-to-foot path of one second’s duration of shock. While reading this chart, keep in mind that most electrical circuits can provide, under normal conditions, up to 20,000 milliamperes of current flow. So only a very small percentage of current leaking to earth can cause harm if touched by your body… as little as 30 milliamperes of current can KILL !!!

Current
Reaction
1 Milliampere Perception level
1-5 Milliamperes Slight shock felt; not painful but disturbing
6-29 Milliamperes Painful shock; “let-go” range
30-150 Milliamperes Extreme pain, respiratory arrest
151-4,300 Milliamperes Ventricular fibrillation
4,300+ Milliamperes Cardiac arrest, severe burns & even death

In addition to the electrical shock hazards, sparks from electrical equipment can serve as an ignition source for flammable or explosive vapors.

Even loss of electrical power can result in extremely hazardous situations. Flammable or toxic vapors may be released as a chemical warms when a refrigerator or freezer fails. Fume hoods may cease to operate, allowing vapors to be released into the work area.  So take care with your electrical equipment and consider all contingencies in the operation of that equipment.

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Of course the best way is to ensure that your appliances are not hazardous in the first place by ensuring that not dangerous electrical currents are present on the external parts of the appliance. We at Tested & True ~ test & tag come to your work place at a time convenient to you. We can do an assessment of your Electrical Hazards it can be conducted at the same time as we test and tag your Electrical Equipment. We provide a Full Report with recommendations to clear up current Hazards and how to prevent future risks. Call and ask for a quote. 040 7605568

Tested & True ~ test & tag  Adelaide uses the very latest in Portable Appliance Testing…The STC Pro Logger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.

Call Now Mobile 040 7605568

Visit us at http://www.testedandtrue.com.au located in Lonsdale, South Australia

Peter Hill Manager Tested & True ~ test & tag Manager SA 0407605568 January 2017

National Coverage through the Safety Services Network (SA State Member)

SSN

Peter Hill Manager Tested & True ~ | test & tag | Lonsdale | South Australia |

Fixed RCD testing… Why is it important?

At every workplace there is at least one Electrical switch board that is built to divide the power and lighting into manageable circuits feeding, lights, equipment and power points for us to use. Though we may not have an understanding electricity, it is important that you know about the little understood device called the RCD (residual current Device) or sometimes referred to as the Safety Switch that will find amongst the breakers and or fuses in this panel.

An RCD is an electromechanical device,that detects any shunting of electrical power to earth thereby shutting the circuit down in mere milli-seconds, in doing so avoiding electrocution to personnel and possible fire hazards.

Being and Electromechanical device ,it can like any other similar device be prone to failure. As part of a regular testing check, it needs to have a push button test which basically is a test every 6 months to check out the mechanical workings of the RCD of which any body can do. If there are breakers on your Panel that are RCD’s.. the give away is a breaker with a button for testing also on the breaker are the words 30ma RCD… these are the devices that need to be tested monthly by push button. Picture below

IMG_2847

But this is a bit like push button testing a battery smoke alarm it only test the resultant action it doesn’t test the actual detection part of the device.

So periodically you need to have your fixed Main switchboard panel RCD’s tested with a calibrated RCD tester, and if it responds with a shutdown time lag of less than 299 mill-seconds… typical times for most RCD’s are usually are 5-50 milliseconds… here is a table below which will help

TYPE OF ENVIRONMENT IN WHICH EQUIPMENT IS USED
Residual Current Devices (RCDs)
PUSH BUTTON TEST BY USER TEST FOR OPERATING TIME RCD TESTER
FACTORIES, WORKSHOPS, PLACES OF REPAIR, MANUFACTURING,

ASSEMBLY, MAINTENANCE OR FABRICATION.

6 MONTHS 12 MONTHS
LABORATORIES, TEA ROOMS, OFFICE KITCHENS 6 MONTHS 2 YEARS
OFFICE EQUIPMENT WHERE EQUIPMENT OR SUPPLY FLEXIBLE CORD IS SUBJECT TO FLEXING ON NORMAL USE OR IS OPEN TO ABUSE OR IS IN A HOSTILE ENVIRONMENT 6 MONTHS 2 YEARS
OFFICE EQUIPMENT WHERE EQUIPMENT IS NOT SUBJECT TO CONSTANT FLEXING OF THE SUPPLY CORD 6 MONTHS 2 YEARS
NEW EQUIPMENT AND REPAIRED/SERVICED EQUIPMENT PRIOR TO INITIAL INTRODUCTION TO USE, AND AFTER SERVICING PRIOR TO INITIAL INTRODUCTION TO USE, AND AFTER SERVICING

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Tested & True ~ test & tag  Lonsdale We know how to test all types of test sensitive electrical equipment like that of a RCDs and Surge Protected devices…We specifically use the STC ProLogger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and up to date. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.

Article By Peter Hill… Tested & True ~ test & tag, Lonsdale, South Australia, Contact 0407605568 May 2016 www.testedandtrue.com.au

Fire Hazards heaters, clothes dryers & electric blankets

Each winter heaters, electric blankets and tumble dryers cause a large number of house fires in Australia. Have you checked and kept up your maintenance by simply following these valuable tips

Removing hazards and safe use of heaters

  • Never leave heaters unattended. If a fire starts it could spread through your home before you are able to respond.
  • Keep flammable materials at least a metre away from the heater. The majority of house fires are caused by people hanging clothes or towels to dry on or in front of the heater. Clothes, upholstery, curtains and other material that could catch fire should be kept more than a meter from any heater at all times.
  • Make sure portable heaters are secured upright and not left in locations where people or pets could knock them over.
  • Avoid using portable heaters on table tops unless they are secure and designed for that purpose. There is a risk of heat damage to the table top and if it falls off it could damage the heater and start a fire.

Electric heater safety tips

  • Don’t plug electric heaters into powerboards, double adaptors or extension cords with other appliances. Heaters consume large amounts of power and may overload the supply and cause a fire.
  • Before using an electric heater check the condition of the appliance and power cords for obvious damage. If there is damage contact an electrician or the service technician to fix it.

Gas heater safety and correct use

  • Never use gas heaters designed or marked for outdoor use inside. They are a fire risk and can also release toxic gases which can accumulate inside and potentially harm you. Using LPG cylinders indoors to provide fuel for unflued heaters or other gas appliances is dangerous and is not recommended.
  • Unflued heaters must not be used in bedrooms, bathrooms or small rooms that have no permanent ventilation. Toxic gases can build up inside and potentially harm you.
  • Never use your gas oven or stove as a room heater.
  • Always check your gas heater is working correctly. Signs of problems with gas heaters may include difficulty when lighting, yellow flames, unusual smells or noisy or inoperable fans.
  • Regularly service your gas heater according to the manufacturer’s instructions. Always use a licensed gas fitter for this task.

Clothes dryer safety

  • Ensure that the lint filter is cleaned regularly. Lint that has built up can catch fire.
  • Follow manufacturer’s instructions and only place suitable materials into the clothes dryer.

Electric blanket safety

Do you really need them they can be dangerous and not certainly not recommended for use with children (eg Bedwetting) If you really need to use one then every year take it out and give it a thorough check.

  • Electric blankets should be rolled when stored away. Folding an electric blanket can damage element wires within the blanket
  • When using a blanket for the first time after storage, lay it flat on the bed and check for hot spots as it heats up. Only add sheets once you are sure the blanket will operate safely at a maximum temperature.
  • Electric blankets that are not properly maintained can cause fires.
  • Avoid using double adaptors or power boards wherever possible.
  • Older electric blankets might be damaged and may not have the safety features of modern blankets, so consider replacing them.

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Tested & True ~ test & tag  Lonsdale We know how to all types of test sensitive electrical equipment like that of a Heaters and Tumble Dryers…We specifically use the STC ProLogger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and up to date. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.

Article By Peter Hill… Tested & True ~ test & tag, Lonsdale, South Australia, Contact 0407605568 February 2016 www.testedandtrue.com.au

Who is a competent Person to do Electrical Test & Tag?

 

Competency requirements for those carrying out inspection and testing of electrical equipment

Inspection and testing of electrical equipment must be carried out by a person who has acquired, through training, qualification or experience, the knowledge and skills to carry out the task (i.e. be a ‘competent person’). Inspection and testing of electrical equipment must be carried out by a competent person who has the relevant knowledge, skills and test instruments to carry out the relevant inspection and testing. The person carrying out any testing of electrical equipment should also be competent to interpret the test results of any equipment they use. For example, a person carrying out testing under AS/NZS 3760:2010 must be:

  • a licensed or registered electrician (whichever applies), or
  • in some jurisdictions, a licensed electrical inspector, or
  • a person who has successfully completed a structured training course and been deemed competent in the use of a pass-fail type portable appliance tester and the visual inspection of electrical equipment.

The training should be designed to ensure, so far as is reasonably practicable, that on completion successful participants:

  • can use the relevant test equipment safely and effectively
  • understand electrical risks and appreciate the role that inspection and testing plays in ensuring electrical safety
  • understand AS/NZS 3760:2010 and AS/NZS 3012:2010 (if testing equipment for construction or demolition sites)
  • understand the legal requirements relevant to the work.

Some kinds of electrical testing must only be carried out by a licensed electrician or electrical inspector under local electrical safety laws. For example, testing requiring the dismantling of electrical equipment should only be carried out by a licensed electrician.

Additional or different competencies may be required for more complex kinds of testing outside the scope of AS/NZS 3760:2010.

If in doubt, advice should be obtained from a person qualified and experienced in electrical equipment testing, for example an electrician, electrical contractor, electrical inspector, specialist testing provider or relevant regulator.

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Tested & True ~ test & tag  Lonsdale We know how to test sensitive electrical equipment like that of a Surge Power Board and other Surge protected equipment…We specifically use the STC ProLogger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and up to date. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.

Article By Peter Hill… Tested & True ~ test & tag, Lonsdale, South Australia, Contact 0407605568 February 2016 www.testedandtrue.com.au

Your Electrical SwitchBoard your backup defence for Electrical Safety

Fuses,Circuit Breakers and Safety Switches

These devices are found in your Switch board understanding these devices and how to use and maintain them will help  your management and understanding of Electrical Safety in the Workplace.

Primary Overload response devices (Fuses & Circuit Breakers)

Fuses and circuit breakers are built to fail in conditions of excess current which can overload the electrical wires in your home. These overloads are often caused by faulty appliances. When an overload occurs, the fuse melts before the wires can overheat, which reduces the risk of fire. Circuit breakers will often trip quicker and more importantly they can be reset to help diagnose and remove faults

  1. Always replace a blown fuse with the correct fuse wire. Never use fuse wire that is heavier than the recommended gauge.
  2. Never use any other type metal or wire.
  3. If fuses keeps blowing, or a circuit breaker keeps tripping, check that your appliances are not faulty.
  4. If fuses continue to blow, or circuit breakers continue to trip after appliances are unplugged, there could be a problem with your wiring. Contact a licensed electrician immediately.

Safety switches and RCD devices

Safety switches or RCD device look similar to circuit breakers and will have a test button to provide a test for the correct earth tripping of the device. The purpose is to they provide extra protection from electric shock. Safety switches monitor the flow of electricity and if any irregularity is detected, the electricity supply is immediately cut off.
Homes with children or backyard workshops should consider installing safety switches to reduce the risk of electrical accidents. It is imperative that commercial premises have them installed and tested regularly.. New homes and Commercial premises are required to have safety switches installed. Licensed electrical contractors can install safety switches in older homes at a reasonable cost. You can also purchase portable safety switches for appliances and extension cords. Useful particularly when using power tools outside ie Electric Lawnmowers, Hedge trimmers, Drills, circular Saws etc  and these portable RCD should also be tested on a regular Basis!

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Of course the best way is to ensure that your appliances are not hazardous in the first place. Tested & True ~ test & tag comes to your work place at a time convenient to you. We can do an assessment of your Electrical Hazards it can be conducted at the same time as we test and tag your Electrical Equipment. We provide a Full Report with recommendations to clear up current Hazards and how to prevent future risks. Call and ask for a quote. 040 7605568..

Note: We also do emergency and preventative maintenance of Switchboards and Mains Wiring

Tested & True ~ test & tag  Adelaide uses the very latest in Portable Appliance Testing…The STC ProLogger 2 it can perform static testing class 1,2 & M RCD testing, Earth Leakage Detection, 3 phase run testing and logs results as you test. all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australian Standards ensuring that you get Quality Service at a competitive price.

Call Now Mobile 040 7605568

Visit us at

www.testedandtrue.com.au

or our Newsletter http://testedtruenewsletter.blogspot.com/

Peter Hill Manager , Tested & True ~ test & tag Adelaide September 2015

Electrical Risk in the Workplace

Electrocution incidents can be fatal, since the year 2000 25-30 people die from Electrocution in Australia (http://www.erac.gov.au/ ) 90 percent of these deaths involve non Electrical workers! Many more are seriously injured while non-fatal shocks can result in serious and permanent burn injuries to skin, internal tissues and damage to the heart depending on the length and severity of the shock.

Electric shocks from faulty electrical equipment may also lead to related injuries, including falls from ladders, scaffolding or other elevated work platforms. Other injuries or illnesses may include muscle spasms, palpitations, nausea, vomiting, collapse and unconsciousness. Those working with electricity may not be the only ones at risk. Poor electrical installation and faulty electrical appliances can lead to electric shock to others at or near the workplace.

How can I avoid electrical hazards?

Dependant on the context and conditions, but may include for example:
  • Ensure only appropriately licensed or registered electricians carry out electrical work
  • Switch off electricity where possible before working on equipment
  • Ensure electrical equipment is in good working order (testing and tagging)
  • Use battery operated tools rather than mains power tools where possible
  • Remove damaged, unsafe electrical equipment or cords from the workplace
  • Ensure tag out and isolation procedures are in place and used
  • Use residual current devices (or safety switches) with portable equipment (as per the WHS Regulations)
  • Don’t overload power sockets. Use power boards not double adaptors
  • Meet electrical safety standards

The best way is to meet electrical safety standards is to have your appliances tested and tagged…

At Tested and True …We test Safety Switches as well as other electrical testing services. We come to your work place at a time convenient to you. We can do an assessment of your Electrical Hazards it can be conducted at the same time as we test and tag your Electrical Equipment. We provide a Full Report with recommedations to clear up current Hazards and how to prevent future risks. Call and ask for a quote. 0407605568 Tested & True ~ test & tag Adelaide uses the very latest in Portable Appliance Testing…The STC ProLogger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australiand Standard AS/NZS 3760:2010 ensuring that you get Quality Service at a competitive price. Call Now Mobile 040 7605568

Visit us at http://www.testedandtrue.com.au  or our Newsletter http://testedtruenewsletter.blogspot.com/

Peter Hill Manager , Tested & True ~ test & tag Adelaide August 2015

My Safety Switch keeps tripping… What do I do next?

Electrical Safety Switch Tripping possibilities

Electrical Safety Switches  are RCDs ( Residual Current Devices)  that remove the supply to an electrical circuit when the circuit under protection has detected a leakage to earth. The RCD/Safety Switch responds in mere mili -seconds; avoiding an unsafe condition and thereby potentially preventing electrocution or Fire hazard.

Possible Causes Of Safety Switch/RCD Tripping

Faulty appliance – unplug all electrical appliances, does the RCD reset OK? If the RCD resets OK plug the appliances back in one at a time. Reset the RCD as you plug each appliance back in to find the faulty appliance.

Items with motors or pumps starting – many items with motors or pumps, for instance showers and pond pumps, cause momentary electrical spikes that are big enough to trip RCDs. Seek advice from a qualified electrician.

Older washing machines – aging washing machine heating elements can cause momentary electrical spikes that are big enough to trip RCDs.

Certain wash cycle phases – some cycles of the washing machine, for instance the spin cycle, can cause momentary electrical spikes that are big enough to trip RCDs.

Certain dishwasher cycles – some parts of the dishwasher cycle draw a lot of current, a faulty component, for instance the motor, can trip an RCD.

Overloading a washing machine – too many items in a washing machine can cause certain wash cycles, for instance the spin cycle, to trip an RCD.

Fridges and freezers cooling – the fridge or freezer cooling motor starting.

Turning an heating element on after a long time of being off – moisture in heating elements can trip an RCD, for instance in a sun bed or electric fire. Try resetting the RCD a few times so that the heating element can cause the moisture to evaporate.

Moisture in outside electrical distribution boxes – remove the supply and dry the distribution box. Check the weather seals have not perished.

Moisture in outside electrical sockets – remove the supply and dry the electrical socket. Check the weather seals have not perished.

De-frost timer on a fridge or freezer – a faulty defrost element on a fridge or freezer can cause ‘nuisance’ RCD tripping.

Water heating elements – faulty water heating elements can cause nuisance RCD trips when thethermostat tells them to heat the water.

Moisture in wiring – moisture in the electrical wiring is a common cause of RCD trips. Have you just emptied a bath? Taken a shower? Is it raining – rain can get into the electrical wiring under the floors or in the loft.

As you may have found this list contains certain  conditions that may give clue to an RCD tripping. In most cases this concerns appliances or situations that involve at least one or a combination of  three conditions 1) Moisture leaking electricity to earth in the appliance or premises wiring. 2) A heating element that is either faulty or drawing sudden electrical surges. 3) An appliance with an electric motor that is either faulty or drawing sudden electrical surges.

If you have trouble sourcing constant or intermittent RCD/Safety Switch Tripping then Contact us and we can send a Qualified Electrician around to check it they can source and fix it on the spot.

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At Tested and True …We test Safety Switches as well as other electrical testing services. We come to your work place at a time convenient to you. We can do an assessment of your Electrical Hazards it can be conducted at the same time as we test and tag your Electrical Equipment. We provide a Full Report with recommedations to clear up current Hazards and how to prevent future risks. Call and ask for a quote. 040 7605568 Tested & True ~ test & tag Adelaide uses the very latest in Portable Appliance Testing…The STC ProLogger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australiand Standard AS/NZS 3760:2010 ensuring that you get Quality Service at a competitive price. Call Now Mobile 040 7605568

Visit us at http://www.testedandtrue.com.au or our Newsletter http://testedtruenewsletter.blogspot.com/

Peter Hill Manager , Tested & True ~ test & tag Adelaide February 2015

Electrical Risk Assessment in test & tag

Electrical Risk Assessment is a necessary step prior to determining a Test & Tag interval of testing

After the work area has been determined as either electrically non-hostile or hostile, a regular inspection schedule can be developed. It is recommended that regular workplace safety inspections are synchronised with the checking periods which are required for electrical equipment.

Non-hostile electrical environment This is a workplace that is dry, clean, With equipment and leads are away from danger from sharps and flexing  or anything else that may result in damage to electrical equipment or the flexible supply cord. In accordance with Safe Work Australia: Code of Practice – Managing Electrical Risks in the Workplace, electrical equipment used in electrically non-hostile operating environments does not require tagging. It is sufficient to visually inspect equipment and cords for damage prior to use and thereafter on a regular basis.

Hostile electrical environment This is a workplace where the equipment or appliance may be subjected to events or operating conditions which could result in damage to the equipment or a reduction in its expected lifespan. What is a Hostile Environment? Is the electrical equipment, when used in normal operation, exposed to any of the following items that might result in damage to the equipment or reduction in its expected life span:

  • Mechanical damage?
  • Moisture?
  • Heat?
  • Vibration?
  • Corrosive substances?
  • Dust?
  • Sharps?
  • Grease/Oil?

If ‘YES’ to any of the above, the environment is considered ‘hostile’ according to the Australian Standards AS/NZS 3760  for testing & tagging.. Just as a general guide see the table Below… It is taken from the Australian Standards AS/NZS 3760  for testing and Tagging and it forms the basis of State and Industry testing and tagging requirements. Below is a key for identifying the categories in the table and the type of environment in which they are found.

coloured text = Intervals for retesting in a hostile environment.

coloured text = Intervals for retesting in a Non hostile environment.

coloured text  = Intervals for retesting for specific equipment/circumstances without regard to the environment it will be used.

Type of environment &/or equipment Interval between inspection & tests
Equipment including Class 1 equipment, Class II equipment, cord sets, cord extension sets & EPODs Residual current devices (RCDs)
Push-button test – by user Operation time&push-button test
Fixed Portable
Factories, workshop, places of manufacture, assembly, maintenance or fabrication. 6 months Daily use, whichever is the longer 6 months 12 months 12 months
  Environment where the equipment or supply flexible cord is subject to flexing in normal use OR is open to abuse OR is in a hostile environment 12 months 3 months 6 months 12 months 12 months
Environment where the equipment or supply cord is NOT subject to flexing in normal use & is NOT open to abuse & is NOT in ahostile environment 5 years 3 months 6 months 2 years 2 years
  Residential type areas of: hotels, residential institutions, motels, boarding houses, halls, hostels accommodation houses & the like 2 years 6 months 6 months 2 years 2 years
Equipment used for commercial cleaning 6 months Daily, or before every use, whichever is the longer N/A 6 months N/A
  Hire equipment Prior to hire Including push-button test by hirerprior to hire N/A N/A
Hire equipment – Inspection N/A
Hire equipment – Test & Tag 3 months N/A 3 months 12 months
  Repaired, serviced & second hand equipment After repair or service which could affect electrical safety, or on reintroduction to service, refer to AS/NZS 5762.

We do the risk assessment for you of  Electrical Hazards taking in environmental concerns it can be conducted at the same time as we test and tag your Electrical Equipment. We provide a Full Report with recommedations to clear up current Hazards and how to prevent future risks. Call and ask for a quote. 040 7605568 Tested & True ~ test & tag Adelaide uses the very latest in Portable Appliance Testing…The STC ProLogger 2 it can perform RCD testing, Earth Leakage Detection and Run Testing all in one neat piece of equipment. On top this all our Technicians are Trained to National Standard UEENEEP008 in test & tag operations by Intertag in Sydney NSW, all our Equipment is in good repair and in Calibration. Most of all we pride ourselves on our Knowledge of OH&S legislation and the current Australiand Standard AS/NZS 3760:2010 ensuring that you get Quality Service at a competitive price. Call Now Mobile 040 7605568 Visit us at http://www.testedandtrue.com.au or our Newsletter http://testedtruenewsletter.blogspot.com/ Peter Hill Manager , Tested & True ~ test & tag Adelaide july 2014