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  1. bigswitch

    Proving an 11kV cable to ensure dead

    To prove an electricity distribution cable of 11kV dead, the cable is spiked using a spike gun with a blank cartridge. Are the circuit main earth(s)(CME's) left on or off whilst spiking? If the earths are at either end of the circuit (cable ends), do they both need to be on? Usually one cme is...

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