ET450 Klein Tools Advanced Circuit Tracer Kit

In stock
SKU: ET450 UPC: 092644693380
Regular price $379.00 CAD
Regular price -16% $450.00 CAD Sale price $379.00 CAD

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Weight: 3.4 lb

Klein Tools ET450 Advanced Circuit Tracer Kit

The Klein Tools ET450 Advanced Circuit Tracer Kit is a professional-grade solution for tracing energized and non-energized breakers, fuses, and wiring with speed and accuracy. Designed for electricians and service professionals, the ET450 allows reliable circuit identification through drywall, cement block, and underground installations.

When the transmitter is connected to a circuit, the receiver detects the signal with adjustable sensitivity, helping you locate breakers and wires without guesswork. Built-in flashlight and non-contact voltage (NCV) detection enhance usability in low-light panels and active environments.

What This Product Is

A complete circuit tracing kit for identifying electrical circuits safely and efficiently in residential, commercial, and industrial settings.

Key Use Cases

  • Tracing breakers in energized panels
  • Identifying non-energized circuits and wiring paths
  • Locating fuses and wires behind walls or underground
  • Troubleshooting electrical systems without disconnecting power

Included in the Kit

  • Transmitter
  • Receiver with LCD backlit display
  • Blade and ground prongs
  • Alligator clips
  • 3 ft (1 m) lead adapter
  • 20 ft (6.1 m) lead adapter
  • AC plug leads
  • All required batteries
  • Hard carrying case with handle

Product Specifications

Type Circuit Tracer
Application Trace energized and non-energized breakers, fuses, and wires
Voltage Indicators 12V, 48V, 120V, 240V, 480V
Frequency Transmitter: 45–65 Hz AC; Receiver: 33 kHz
Display LCD with backlight (receiver)
Special Features NCV function, built-in flashlight, adjustable sensitivity
Ingress Protection IP42
Safety Rating CAT III 600V
Drop Protection 6 ft (2 m)
Battery Type AA Alkaline
Battery Life Up to 24 hours
Receiver Dimensions 7.05" L × 3.90" W × 1.84" H
Transmitter Dimensions 8.72" L × 2.07" W × 1.51" H
Receiver Weight 11 oz (312 g)
Transmitter Weight 16.5 oz (470 g)
Material ABS and electronic components
Case Included Yes – hard carrying case

Why Electricians Choose the ET450

  • Works on live and dead circuits
  • Reliable tracing through walls and underground
  • No panel guesswork or trial-and-error
  • Built for daily professional use
Free shipping over $150 across Ontario and Quebec, and 10% off the rest of Canada.
CSA-approved products from a Canadian-owned supplier, 15+ years in Ontario.
Counter pickup in Vaughan, Monday to Friday, 8am to 4pm. Call the counter for advice.
30-day returns on most items. Bulbs, cut-to-length wire and hazardous goods are excluded.

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Feature ET450 Klein Tools Advanced Circuit Tracer Kit
ET450 Klein Tools Advanced Circuit Tracer Kit
$379.00
Current
Brand Klein Tools
Type
Availability In stock
Rating 5.0 / 5

Pick up at our Vaughan counter

Our counter is at 8520 Jane St, Unit 5, Vaughan, ON L4K 5A9, open Monday to Friday, 8am to 4pm. Order online and collect, or bring a material list and we will price it at the counter. Contractors and DIY customers are both welcome.

Contact Us

Key specs

Safety rating
CAT III 600V, IP42
Voltage indicators
12V, 48V, 120V, 240V, 480V
Receiver frequency
33 kHz (transmitter 45–65 Hz AC)
Battery life
Up to 24 hours (AA alkaline, included)
Drop protection
6 ft (2 m)
Included
Transmitter, receiver, lead adapters (3 ft and 20 ft), alligator clips, AC plug leads, hard case

Maple Electric Supply is a distributor. For wiring, installation, and code, work with a licensed electrician and the Canadian Electrical Code (CEC).

About this product
The Klein Tools ET450 is a circuit tracer kit for identifying energized and non-energized breakers, fuses, and wiring through drywall, cement block, and underground runs. The transmitter-receiver pair traces with adjustable sensitivity, and the receiver adds non-contact voltage detection and a built-in flashlight for dark panels. Stocked in Canada by Maple Electric — CAD pricing, ships Canada-wide, will-call pickup in Vaughan.
Common questions
Does the ET450 work on live circuits?
Yes. It traces energized and non-energized breakers, fuses, and wiring, with voltage indicators for 12V, 48V, 120V, 240V, and 480V circuits.
What comes in the kit?
Transmitter, receiver with backlit LCD, blade and ground prongs, alligator clips, 3 ft and 20 ft lead adapters, AC plug leads, all batteries, and a hard carrying case.
What is the safety rating?
CAT III 600V with IP42 ingress protection and a 6 ft drop rating. Confirm suitability for your environment against the spec sheet.