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Electrician Tools and Test Equipment

Crimpers, punch-down and cable tools, fish tapes, test equipment and extension cords for electrical and low-voltage work. 5,006 products from $1.42 to $3,421.99. Festo, Sick, ZIBOO and more.

5,006 products from $1.42

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Which circuit is the tool for?

The first split is voltage. Line-voltage tools, such as terminal crimpers, conduit reamers and fish tapes, are about insulation and strength. Low-voltage tools, such as punch-down tools with 110 or 66 blades, network and telephone crimpers and ceiling-speaker tools, are about the exact connector or block they serve. A blade made for 110 blocks will not seat a 66 block, and a crimper die must match the plug or terminal it was built for. Near live parts, look for tools explicitly marked as insulated and rated for 1000 V; a rubber grip alone is not insulation.

Reading meter ratings and kit contents

Test equipment is rated by the voltage and current it can measure safely, so match the range to your circuits and look for the measurement category, such as CAT III or CAT IV, which describes the surge the meter can withstand. Kits only save effort if you need most of the pieces, so check blade or tip sizes, the AWG range of crimpers and whether pouches or spare blades are included. Cords and power strips list a gauge, a voltage and a maximum amperage; never run loads beyond the stated amperage.

Questions about Electrician Tools and Test Equipment

What does CAT III or CAT IV mean on a meter?
The measurement category rates how large a voltage surge the meter can withstand on the circuit you test. CAT III covers distribution panels and fixed wiring in a building, while CAT IV covers the service entrance and outdoor supply. Choose a category at or above the circuit.
How do I know which crimper fits which terminal?
Crimpers are built for one family of terminals: insulated, non-insulated, coaxial or modular plugs each need their own die. Check the wire gauge range printed on the tool and the connector type named in the listing before choosing.
What is a punch-down tool used for?
It presses individual wires into the slots of a network or telephone patch panel, keystone jack or wiring block and trims the excess. The blade must match the block type, such as 110 or 66, and some tools carry a double-ended blade for both.