Martindale Voltage Indicator Proving Device and Lock Out Kit Martindale MARVIPDLOK138 P There is nothing is more dangerous than trusting a defective voltage indicator to test for a dead circuit Safe electrical work requires the use of a voltage indicator that has been proved with a proving device before and after use The Martindale VIPD enables you to comply with health and safety recommendations for safe working and features the following items P P 1x PD440 proving device BR 1x VI13
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