Test & Tag

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Test & Tag

Important for compliance, important for safety, important for reliability


The Occupational Health and Safety Act requires employers to provide employees with a safe workplace. Any failure to maintain electrical equipment in a safe state could injure or kill you, your employees or others and expose your business to legal liability.

To discharge your duty of care you are required to reduce the risk of electrical shock as far as practicable. One method of achieving this is to ensure your tools, leads and appliances are tested for electrical fault on a regular basis.

This process is called "Test & Tag" and checks that electrical appliances are properly earthed, cables are properly insulated and that cables and strain reliefs are in sufficiently good physical condition so as not to pose a danger in the workplace.

To remain compliant "Test & Tag" checks must be done regularly. According to the Australian Standards and OH&S legislation different appliances in different work environments have different requirements.

Call us and we will help you stay compliant, safe and reliable!

Earthing - a quick primer

Extension lead

Disclaimer: the brief description that follows is for interest and education. It omits certain technical details.

All objects have an electrical potential. Two objects which have different electrical potentials are said to have a potential difference, or voltage, between them.

Whenever a voltage exists between two objects and a conductive material joins them an electrical current will flow.

Earth potential is literally the electrical potential of the earth (the ground you stand on).

Most electrical power cables have three wires. The red and black wires are active (230V) and neutral (0V) respectively. The third wire is normally green and yellow and is the earth wire. Under normal circumstances current flows from the active wire through the device and returns via the neutral wire while no current flows in the earth wire.

Warning Electrical Danger

If, however, there is a fault with the appliance or with the power cable then exposed conductive surfaces can develop an electrical potential of 240V. When you touch this exposed conductive surface a potential difference occurs across your body and so a current will flow through your body and into the earth.

This is an electric shock and without adequate protection can cause electrocution.

Test & Tag

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phone: 08 8396 4288
fax: 08 8396 4299

12 Jennifer Ave, Ridgehaven, 5097











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