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Discuss Testing for dead in the Electrical Course Trainees Only area at ElectriciansForums.net

1. isolate the circuit.

2. prove your approved voltage tester on a known "live" source such as a proving unit.

3. test circuit with voltage tester.

4. retest tester on proving unit.

5. once satisfied that circuit is dead, lock off and label.
 
As ESC best practice guide 2 (and Telectrix) says:
The procedure for proving dead should be by use of a proprietary test lamp or two-pole voltage detector as recommended in HSE Guidance Note GS38, Electrical test equipment for use by electricians.
The use of multimeters, makeshift devices and non contact voltage indicators (voltage sticks) is not advised for voltage detection as such use has caused accidents.
The test lamp or voltage detector should be proved to be working on a known live source, proprietary proving unit or in-built test feature before and after use. All line, neutral and protective conductors of the circuit (L-E, N-E, L-N) should be tested and proved to be dead.
 
1. isolate the circuit.

2. prove your approved voltage tester on a known "live" source such as a proving unit.

3. test circuit with voltage tester.

4. retest tester on proving unit.

5. once satisfied that circuit is dead, lock off and label.
Cheers mate as simple as that haha do you know where I can get a proving unit from that's good?
 
never used one. i always test the tester on the incomer or a socket on a different circuit. failing that a quick wet finger (NOT)
 
Test your voltage tester on the incoming side of the main switch, this will be live even when the installation is isolated (in domestic) and is therefore a known live source (except in a power cut).
Saves spending a fortune on a proving unit.
 
no you bloody well can't. apart from some meters being cheap crap unsafe to connect to a live circuit, they rely on batteries. if the battery is dead they won't read a potentially lethal voltage that you only then realise when you shove your pinkies in.
 
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