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A must-have tool for electricians, do-it-yourselfers, contractors, kitchen, bath and lighting installers, and handymen, the Extech RT30 Wireless Remote AC Circuit Identifier enables you to identify circuit breakers, wiring, switched lines, AC outlets and, light fixtures without cutting into any wires--and without a helper.

The RT30's wireless transmitter (view larger).

This versatile tool uses a pager-sized, non-contact voltage detector transmitter that clamps onto wiring mid-run and transmits a "voltage present" signal to a pocket-sized receiver carried by the user. Clamped onto a live wire, the transmitter signals the user at the breaker panel with LED and audible alerts on the receiver (up to 100-meter range). The alerts stop when the correct circuit breaker is switched and work can then be performed safely.

The RT30 wirelessly identifies the correct Circuit Breaker controlling remote mid run AC wiring (using the included non-contact transmitter); lighting circuits (using the included built in light sensor), and AC outlets (using the included AC outlet extender).

A compact external clamp-style non-contact voltage (NCV) probe can be used for wires that are hard-to-reach, or within a bundle. For inaccessible circuit wiring, a useful lighting circuit identification function uses a light sensor to indicate lighting changes in a room caused by the user remotely opening a circuit breaker and turning off a light on the circuit. An optional AC outlet extender can also be used to identify circuits by outlets.

The RT30's clamp-style probe accessory is ideal for wires that are hard to isolate or reach. The RT30's remote is powered by four AAA batteries, and it's backed by a one-year limited warranty.

What's in the Box

RT30 Wireless Remote AC Circuit Identifier with transmitter and receiver, remote clamp-style probe, four AAA batteries, pouch case, and operating instructions

From the Manufacturer

Combines non-contact voltage and light detection with RF (radio frequency) transmission technology. It enables a single user to identify mid-run wires and to find the breaker that powers a circuit or light fixture without having to connect directly to the wires in the cable. Easy-to use: 1. Clamp the transmitter directly onto installed wiring to detect voltage. 2. The receiver alerts the user at the breaker panel with a voltage-present LED indicator and audible beep. 3. Alerts cease when the right circuit breaker is switched off or a junction splice is opened in the circuit. The RT30 is a convenient must-have tool for: electricians, plumbers, general contractors, Do-it-yourselfers, kitchen and bath remodelers, lighting installers, handymen, and anyone who needs a virtual electrician's helper. Includes transmitter, receiver, remote clamp-style probe, four AAA batteries and pouch case.