Can this find a dead short?

Depends on the situation. It’s more for finding the cable pathway, but could help find a dead short.

Can I trace from a light fixture back to a switch? (I can not find how to turn on a few lights in my new house)

this tracer work's better on energized circuits but will also work with de-energized circuits. if your light is not energized, then hook up the transmitter to it and then use the receiver to follow the wire through walls and ceilings to find your switch. You may have to set the detection level higher on the receiver for this use.

Will this tracer generate an audible tone when connected to 14/2 speaker wire?

Don’t know. I’m deaf and just look at the visual readout.

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Description

🔍 Trace like a pro, never miss a wire!

ALL IN ONE PRO KIT - Comes complete with transmitter, receiver, multiple lead adapters, alligator clips, batteries, and a rugged carrying case—ready for any challenge.
VERSATILE TRACING KIT - Trace wires, conduits, or PVC pipes individually or in bundles for ultimate job site flexibility.
DEEP SIGNAL PENETRATION - Detect signals through drywall, cement blocks, and even underground with adjustable sensitivity—no wire left untraced.
PRECISION CIRCUIT TRACING - Pinpoint energized or dead breakers, fuses, and wires with 98% accuracy for flawless diagnostics.
DUAL INDICATORS FOR CLARITY - Audible and visual signal strength indicators on the receiver keep you informed in any environment.

The Klein Tools ET450 Advanced Circuit Breaker Finder and Wire Tracer Kit is a professional-grade tool designed for accurate tracing of energized and non-energized circuits. Featuring adjustable sensitivity for signal detection through various materials, dual audible and visual indicators, and a comprehensive accessory kit including transmitter, receiver, multiple leads, and batteries—all housed in a durable carrying case for on-the-go convenience.

Specifications

Manufacturer	Klein Tools
Part number	ET450
Item Weight	907 g
Product Dimensions	40.94 x 32.39 x 10.16 cm; 907.18 g
Batteries	10 AA batteries required. (included)
Item model number	ET450
Size	One Size
Colour	Multi
Style	Classic
Finish	Brushed
Material	Blend
Pattern	Kit
Shape	Rectangular
Item thickness	4 Inches
Power source type	Battery Powered
Item Package Quantity	1
Measurement Accuracy	98%
Display style	Reciever: LCD with Backlight
Specification met	[Inferred] Meets Certain Specifications
Included components	Advanced Circuit Tracer Kit
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline

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