will it trace a single wire

I just tried it because I wasn't sure, you won't be able to trace the wire in the wall but you will be able to identify a single conductor when you touch the probe to the other end of it.

I need to trace a 12V wire through an RV to determine where it is shorted; is this device appropriate for this purpose?

If you can get to the wire or know where it is running it will work to trace where you are losing power RV walls are pretty thin

Can I use this kit to find a Cat-5 cable behind sheetrock, 2-3 inches at most ? If not, which product does this ?

Not sure. You might be able to if you can connect the tone generator to one end of the Cat5 cable. The signal would be very faint, at best, as this device is made for the probe to actually touch the wire. Not familiar with a tone generator that would work this way, but the Home Depot has a device that will allow you to see through walls to see what's behind it. Sound like that would be more what you need.

Will this test camera wires with rj45's at each end to confirm proper connections

If you just need to test for continuity then you can put an rj45 jack on each end and tone one end and test the other you can see if you have continuity

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Description

🔍 Trace with confidence, work like a pro—never miss a wire again!

READY FOR ACTION - Includes 8 AAA batteries so you’re powered up and ready to tackle any cable challenge
RUGGED RELIABLE - Angled Bed of Nails clips provide secure, slip-free wire attachment even in tough environments
INSTANT DIAGNOSTICS - Continuity and polarity tests with clear LED indicators eliminate guesswork on site
PLUG PLAY VERSATILITY - Seamlessly connect to telephone and data jacks with RJ11 and RJ45 plugs for instant testing
PINPOINT ACCURACY EVERY TIME - 5 unique tone cadences ensure flawless cable tracing in complex wiring setups

The KLEIN TOOLS VDV500-820 Tone & Probe PRO Kit is a professional-grade cable locator and identifier featuring 5 distinct tone cadences, rugged angled Bed of Nails clips for secure wire attachment, and RJ11/RJ45 compatibility. Powered by 8 included AAA batteries, it offers continuity and polarity testing with clear LED indicators, making it an essential tool for precise and efficient cable troubleshooting.

Specifications

Manufacturer	Klein Tools
Part number	VDV500-820
Item Weight	371 g
Batteries	8 AAA batteries required. (included)
Item model number	VDV500-820
Size	One Size
Color	beige
Style	Tone & Probe PRO Kit
Finish	Brushed
Material	Plastics, Metal, PCB Boards and LEDs
Pattern	Bag
Shape	Rectangular
Power source type	Battery Powered
Item Package Quantity	1
Cutting Diameter	1.25 Inches
Measurement Accuracy	+/-0.5%
Special Features	Angled Bed of Nails with (ABN) Clips, 5 Distinct Cadences, Worklight
Included components	Tone and Probe PRO Kit
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
tech_spec_battery_description_toys	8 x AAA
Item diameter	1.25 Inches

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