Tool kits with voltage indicator

Voltage indicator

— a screwdriver-shaped device consisting of a thin metal tip, a transparent dielectric handle, a high resistance resistor, a contact plate on the back of the handle, and a signal lamp. Designed to determine the phase wire, the presence of voltage in the network, diagnostics of automotive on-board networks. Indicators with batteries allow you to ring the electrical network for breaks. Advanced indicator screwdrivers are suitable for non-contact detection of wiring under a layer of finishing material and can be equipped with a light and sound informant.

Automotive indicators operate with a voltage of 6 to 24 V (less often — from 3 to 48 V) and can be equipped with a "crocodile". The rest are designed for voltages of 230 V and 400 V (sometimes up to 500 V).

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