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Klein ET450 - Advanced Circuit Tracer Kit

Trace Hidden Wires to Detect Open or Short Faults - Up to 480V AC/DC - 8 Sensitive Levels - Cat III 600V

Part # : 149950
Availability: In stock

Product Description

The Klein Tools ET450 Advanced Circuit Tracer Kit is a professional tracer for energized and non-energized breakers, fuses, and wires. When the Transmitter is connected to a circuit, the Receiver’s sensitivity can easily be adjusted to detect the transmitted signal on breakers, fuses, and wire through drywall, cement block, and underground. Kit comes with transmitter, receiver, blade and ground prongs, alligator clips, 3-Foot and 20-Foot lead adapters, AC plug leads, instructions, all required batteries, and a hard carrying case with handle for convenient transportation and storage.

  • The Advanced Circuit Tracer Kit provides reliable tracing of energized or non-energized breakers, fuses, and wires
  • Easily adjust receiver sensitivity level to detect the transmitted signal through drywall, cement block, and underground
  • Versatile applications include tracing wires, conduit or pipes, or a single wire in a bundle
  • Audible beep and visual indicators on receiver denotes signal strength
  • Receiver features a flashlight for illumination in low-light areas and NCV function to test if wires are energized
  • Transmitter has AC/DC external voltage indicators of 12V, 48V, 120V, 240V, and 480V


  • ET450T Transmitter
  • ET450R Receiver
  • 3' (0.9 m) Lead Adapters*
  • 20' (6 m) Lead Adapters*
  • AC Plug to Banana Jacks
  • Alligator Clips
  • Outlet Tabs
  • Ground Prong
  • Ten AA Alkaline Batteries
  • Hard Carrying Case with Handle

    *Lead Adapters can all be connected end-to-end for additional length

Product Specifications

  • Manufacturer's Number: ET450
  • Brand: Klein Tools
  • UPC Number: 092644693380
  • GTIN: 00092644693380
  • Length: Receiver: 7.05'' ; Transmitter: 8.72''
  • Width: Receiver: 3.90'' ; Transmitter: 2.07''
  • Height: Receiver: 1.84'' ; Transmitter: 1.51''
  • Weight (LBS): 6.43

Applications/Usage & Features

Type: Circuit Tracer

Application: Trace Energized and Non-Energized Breakers, Fuses, and Wires

Special Features: Flashlight and NCV Function on Receiver; Accessories, and Hard Case

Material: ABS and Electronic Components

Batteries: Transmitter: 6 × 1.5V AA Alkaline; Receiver: 4 × 1.5V AA Alkaline

Battery Life: Up to 24 hr

Drop Protection: 6' (2 m)

Display: Reciever: LCD with Backlight

Control Type: Transmitter and Receiver

Voltage: External Indicators for 12V, 48V, 120V, 240V, and 480V

Frequency: Transmitter: AC 45Hz to 65Hz; Receiver: 33kHz

Ingress Protection: IP42

Pollution Degree: 2

Tests Continuity: No

Integral Lead Storage: No

Interchangeable Leads: Yes

Lead Length: 3' (1 m) and 20' (6.1 m)

Standard: CAT III 600V

Case Included: Yes

Included:Transmitter, Receiver, Blade and Ground Prongs, Alligator Clips, 3' and 20' Lead Adapters, AC Plug Leads, Instructions, All Required Batteries, and Hard Carrying Case

Overall Length: Receiver: 7.05'' (17.9 cm); Transmitter: 8.72'' (22.2 cm)

Overall Height: Receiver: 1.84'' (4.5 cm); Transmitter: 1.51'' (3.9 cm)

Overall Width: Receiver: 3.90'' (9.9 cm); Transmitter: 2.07'' (5.3 cm)

Weight: Transmitter: 16.5 oz (470 g); Receiver: 11 oz (312 g)

UPC: 092644693380


Read, understand, and follow all warnings and instructions before operating testers.

Before each use, verify tester operation by testing on a known live and correctly wired receptacle and circuit.

DO NOT use if the tester appears damaged in any way.

Always consult a qualified electrician to resolve wiring problems. ALWAYS adhere to local and national safety codes.

NEVER use the tester on a circuit with voltages that exceed the category-based rating of this tester.

Inspect the meter and test leads before use. DO NOT use if they appear damaged.

DO NOT use testers during electrical storms or in wet weather.

Turn off testers and disconnect test leads before attempting to replace batteries or fuses.

Use personal protective equipment to prevent shock and arc blast injury where hazardous live connectors are exposed.

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