Martindale PD440 440V Proving Device The Martindale PD440 is a 440V AC proving device, designed to enable voltage indicators to be fully checked, in compliance with Health & Safety recommendations
Features: A 440V AC proving device Designed to enable voltage indicators to be fully checked, in compliance with Health & Safety recommendations Compatible with the Martindale VI13700G & the new Martindale VI13700/2 Can also be used to check Drummond & other filament test lamps as well as standard multimeters & other manufacturers two pole voltage indicators NB
- Using a voltage indicator without first proving it is working correctly could prove fatal