Testing Detachable Leads / Cordsets
Understanding Detachable Lead Testing
One commonly overlooked aspect of testing and tagging involves the detachable leads (cord sets) that come with certain appliances. A frequent question that arises at Perth Test and Tag Solutions is, "Why does my appliance have two tags?" This relates to the testing of both the appliance and its detachable lead.
Do Detachable Leads Require Testing?
Yes, detachable leads (cord sets) must be tested according to the AS/NZS 3760:2022 standard. If the lead handles more than 50V, it must be tested to meet the relevant safety requirements under the Australian standard.
However, if the appliance converts voltage to extra low voltage (such as 50V or less), like a USB or lighting cable, only the part of the device receiving the voltage above 50V (usually 240V) requires testing. For example, in a standard Apple iPhone charger, the part that plugs into the wall would need to be tested, while the lighting cable that connects to your phone would not.
Damaged Leads: What to Do
It’s important to note that any detachable lead showing excessive charring or visible damage—regardless of voltage—would cause the appliance to fail testing until the damaged lead is replaced. In this case, the technician might place a fail tag on the lead. If a Perth Test and Tag Solutions technician conducts the test, we would not charge to fail a detachable lead under 240V.
Compliance with AS/NZS 3760:2022
All the requirements mentioned above are outlined in section 2.1 of the AS/NZS 3760:2022 standard. Adhering to these guidelines ensures the safety and compliance of your electrical equipment.
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