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Continuity method 2 on a periodic you can't switch offThe client says the power stays on. Can you still test the CPCs?
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On a periodic, the client may say the power can’t go off — a perfectly reasonable limitation, and one you write down. Method 1 needs the circuit dead. Method 2 doesn’t.
- Don’t disconnect any protective or bonding conductor on a live installation. Clip the long lead to the MET instead.
- Touch the other lead on each exposed-conductive-part: metal switch plates, metal-clad sockets, luminaire casings.
Guidance Note 3 · 3.10.3 · testing where the circuit can’t be isolated · p.128
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- Building Regs
- PAT
- Fundamental Inspection & Testing
- Initial Verification
- Periodic Inspection & Testing