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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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    How practical is it to test these cables?

     - if it involves a lot of dismantling it may be more harm than good to keep doing so. Can the essential tests (insulation power lines to ground and earth continuity) be done with the kit at the ends still connected.

    If not is there a proxy, such as visually checking and perhaps measuring earth leakage that would be OK instead. 

    Are the cables especially vulnerable ?

    In a way he who pays the piper chooses the tune, so what is actually required contractually ?

    Mike.

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  • 0

    How practical is it to test these cables?

     - if it involves a lot of dismantling it may be more harm than good to keep doing so. Can the essential tests (insulation power lines to ground and earth continuity) be done with the kit at the ends still connected.

    If not is there a proxy, such as visually checking and perhaps measuring earth leakage that would be OK instead. 

    Are the cables especially vulnerable ?

    In a way he who pays the piper chooses the tune, so what is actually required contractually ?

    Mike.

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