Martindale VIPD Voltage Indicator and Proving Device Martindale MARVIPD138 P This voltage indicator and proving device from Martindale offers an instant clear indication to show if a circuit is live along with its voltage range and whether AC or DC Tough moulded construction and LEDs combined with heavy duty double insulated cable large finger guard and a retractable lockable prod sheath make this the safest most durable and reliable instrument of its type P P The PD440 proving
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