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Wiring testing

garyolly

I work on bespoke training equipment for the defence industry. Due to a recent contract change, we are once again going through a Demarcation phase. One party has accepted testing responsibilities up to and including the circuit breaker panels that supply my equipment. Another party is now suggesting that all cabling going forward to motors, winches, control circuits etc, need to be tested. I regularly test motor windings and all junction boxes at the equipment but have never felt the need to test the cabling running from the breaker panel to the junction box. I have always assumed (i know, never assume) that should a fault arise with the cables, I would diagnose, fix and record. Should I be testing the control cables or not? Earth testing is completed annually, P.A.T testing for portables is completed annually.  Thanks   

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    I'm not sure that “it was too hard to test, so we didn't” would be much of a defence if the Health and Safety Executive started sniffing around after an accident.

    Agree but “We tested it last year and did not realize that it got damaged soon after” is almost equally unimpressive.

    It may be that 

     “ we have never had an accident because we perform regular visible inspections, and the earthing and containment is also checked and is arranged such that a dangerous condition cannot arise and not be noticed almost immediately ” may be a reasonable alternative to a full dismantle test. (how do the DNOs check their cables for example)

    You do not need to check all  the individual wires, just that the electrons are not escaping,  and be sure that if they do make a run for it one day , that no-one will be hurt. ?

    Mike.

     

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  • 0

    I'm not sure that “it was too hard to test, so we didn't” would be much of a defence if the Health and Safety Executive started sniffing around after an accident.

    Agree but “We tested it last year and did not realize that it got damaged soon after” is almost equally unimpressive.

    It may be that 

     “ we have never had an accident because we perform regular visible inspections, and the earthing and containment is also checked and is arranged such that a dangerous condition cannot arise and not be noticed almost immediately ” may be a reasonable alternative to a full dismantle test. (how do the DNOs check their cables for example)

    You do not need to check all  the individual wires, just that the electrons are not escaping,  and be sure that if they do make a run for it one day , that no-one will be hurt. ?

    Mike.

     

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