Block out power-line hum when identifying a cable. Use this amplifier with a tone generator or tester to identify a cable without making direct contact with the wire. The tone will get louder the closer you get to the correct cable.

Use this amplifier with a tone generator or tester to identify a cable without making direct contact with the wire. The tone will get louder the closer you get to the correct cable.

Generate an audible signal when testing for short circuits, line continuity, or when locating a cable. Use an amplifier (sold separately) to hear the signal. These tone generators have a light signal to verify polarity.

Identify breakers and ferret out faults without cutting power to critical systems. More versatile than a breaker finder, circuit tracers track the path of an entire energized or de-energized circuit’s wiring through walls, ceilings, and floors. They’ll even detect wires underground without being blocked by conduit or cement.

Each tracer kit includes a transmitter and a wireless receiver. Plug the transmitter’s leads into an outlet or connect its alligator clips to bare conductors to send a signal through the circuit you want to trace. Then, move the receiver against the wall like a stud finder to follow the signal’s path and detect the circuit’s wiring. Boost the receiver’s sensitivity if the signal strength drops as you move away from the transmitter, or dial it down to eliminate false positives from nearby circuits. Keeping the sensitivity low is also useful when you need to single out a specific wire within a bundle.

Check for the presence of AC current and voltage without making direct contact with a wire. The detector has light and sound alerts that indicate current when it is held near the electrical component.

A digital display helps you identify open, short, and miswired circuits in data cable. These testers have a built-in tone generator with selectable tones.

Detect voltage with three types of alerts for extra safety—light, sound, and vibration. There are LEDs that light up to show the approximate voltage level, and a digital LCD shows precise voltage measurements. Fluke meters are known for quality and durability.

Identify the circuit breaker connected to an electrical receptacle. The transmitter plugs into the receptacle and sends a signal through the cable to the receiver. Move the receiver over the breakers, and light and sound alerts indicate when you find the correct breaker.

Circuit Breaker Identifier Adapters—Circuit breaker identifier adapters trace breakers for light bulb sockets and switches.

Check continuity in circuits. If there are no line breaks, light or sound alerts signal continuity.

Safely check for the presence of voltage in high-voltage equipment and lines. This noncontact detector checks for voltage by sensing electrostatic fields when brought near the electrical component. Light and sound alerts indicate voltage.

Hot Stick (48" Long)—For testing 1,500-122,000V AC, a hot stick is required (not included). It attaches to the high-voltage detector to extend your reach and detect voltage from a distance.

Clip these detectors to your hard hat to identify voltage and current from 360°. Without making physical contact, they flash light in the direction of the electrical threat and beep louder as you get closer to it. These lightweight detectors are comfortable to wear all day. They’re often used to identify live conductors, energized lines underground, and residual voltage.

Set the sensitivity level to determine when the detector alerts you. While the battery life varies depending on the number of alerts, a full charge can last up to five days. Recharge the battery with the included USB charging cable or a standard USB 2.0 Micro-B charger.