Tagging and testing is an essential electrical service offered to guarantee your electrical appliances are completely safe to use. There are usually two parts to testing and tagging; initial inspection, and second, visually examine the equipment for damages, defects, and missing parts. Often these are done before or after an installation or service and may be specific to the item or appliance being tested. When an appliance is tested it is checked for the efficiency and safety of the appliance, as well as its performance under load and at different temperatures. The tester’s focus is typically on the tested item, but he or she may also perform visual and listening tests to assure that the appliance will perform safely.
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The testing and tester must be trained and be certified according to Australian Standard EN 50291 – Test Methods for Electrical Safety. All electrical equipment must be regularly inspected and maintained to meet standard conditions. When testing is performed on new or old equipment it is usually done to verify the items’ compliance with the current (ASME) guidelines for electrical safety. This includes testing for colour codes, marking and labeling, safety device testing for current compliance.
It is a good practice to contact a qualified electrical contractor to perform any required testing and tagging for you. Although you may be able to perform the testing and tagging yourself, there are several reasons why testing and taming by a qualified electrical contractor is strongly advised. First, testing and taming requires the ability to use a variety of tools, and a person not familiar with the tools and equipment used in testing may miss errors or incorrectly apply testing methods that can negatively impact a product’s or an appliance’s safety. Secondly, unless you have had training in the handling and use of the tools, and the application procedures and specifications, a non-licensed or untrained person cannot accurately and completely read the information or code listings for safety devices and appliances that must be tested and tagged. Finally, a non-licensed or untrained person may also incorrectly apply the requirements for testing and tagging which could result in a fatal accident.