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440V AC proving device
Spare and replacement individual lock off pieces are also available to order separately
For use on single and three phase systems
Measures voltage without batteries
110 V centre-tap loop testing
Martindale TL76 Earth Test Lead Set BSPP 440V AC proving deviceMartindale TL76 Earth Test Lead Set Red 50m Lead Green 30m Lead 2 x Black 3m Leads Suitable for 2, 3 or 4 pole earth testers Description Set of 4 test leads for earth resistance testing. Consists of 1 x 50m lead, 1 x 30m lead and 2 x 3m leads terminated with 4mm banana sockets. Suitable for use with 2, 3 or 4 pole earth testers.
