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1000V Insulated Hand Tools

1000V insulated hand tools are insulated for work on live installations and individually dielectric tested: proof-tested at 10,000 V and rated for 1000 V under IEC 60900. The insulation is the only thing between the user and the phase conductor, which is why a cracked, cut or heat-deformed tool is replaced rather than repaired. Insulated screwdrivers, pliers, side cutters, wrenches, sockets and hex keys are listed here.

What 1000V certifies: tested at 10,000 V, rated at 1000

IEC 60900 defines the design and testing of hand tools for live working. Every tool in scope is individually dielectric tested after manufacture: proof-tested at 10,000 V and rated for 1000 V AC (1500 V DC) in service. The gap between those numbers is a safety margin, not a working range.

The insulation is two-layered and the inner layer is a different colour: seeing that colour through a worn outer layer is the designed signal that the tool must be withdrawn. It is the most practical check a user can make by eye.

What is on this page

Insulated screwdrivers (slotted, Phillips, Pozidriv, Torx® and socket tips), the slim-bodied Electro Slim series, combination pliers, long-nose pliers and side cutters, single-ended open and ring wrenches, 1/2″ sockets and extensions, T-handle hex keys, a cable cutter and an adjustable wrench.

The Electro Slim series is thinned down for the narrow terminal spacing inside panels: the same insulation class in a smaller outside dimension. Ready-made electrician's tool cases and sets are listed here too.

Rules of use

An insulated tool does not replace personal protective equipment or proving the circuit dead; it is the last layer only. Prove the tester on a known live source before and after the work.

A tool whose insulation is cracked, cut, pierced or heat-deformed is not repaired -- taping or sealing it does not restore the rating. Store these tools away from direct sun and heat sources.

Frequently Asked Questions

  • What does a 1000V rating certify?

    That the tool has been individually dielectric tested under IEC 60900 and is rated for 1000 V AC in service. The proof test is at 10,000 V; the gap is a safety margin, not a working range.

  • A different colour is showing through the insulation -- what now?

    Withdraw the tool immediately. The two-layer insulation uses a contrasting inner layer precisely so that wear is visible.

  • Can damaged insulation be repaired?

    No. Tape or sealant does not restore the rating; the tool is replaced.

  • Do insulated tools mean I can skip isolating the circuit?

    No. They are the last layer of defence, not a substitute for proving dead or for personal protective equipment. Live working is for cases where it is unavoidable, done to procedure.

  • What is the Electro Slim series?

    Screwdrivers thinned down for the narrow terminal spacing inside panels -- the same insulation class in a smaller outside dimension.