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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Klein Tools VDV500-820 Wire Tracer Tone Generator and Probe Kit Continuity Tester for Ethernet, Telephone, Speaker, Coax, Video, and Data Cables, RJ45, RJ11, RJ12

Klein Tools VDV500-820 Wire Tracer Tone Generator and Probe Kit Continuity Tester for Ethernet, Telephone, Speaker, Coax, Video, and Data Cables, RJ45, RJ11, RJ12

Product ID: 159799472

Details

Brand
KLEIN TOOLS
Color
Beige
Item Weight
1.3 pounds
Power Source
Battery
Style
Analog

📏Signal transmission over 1,000 feet

📡5 distinct tone cadences for precise tracing

🔋Battery-powered for on-the-go reliability

€ 221.54

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Trace like a pro, fix like a boss.

NOISE NO PROBLEM - 3.5mm headphone jack lets you isolate tone signals in noisy environments for crystal-clear diagnostics.
SECURE GRIP NO SLIP UPS - Rugged Angled Bed of Nails clips provide rock-solid wire attachment for uninterrupted testing.
TRACE FARTHER WORK SMARTER - Transmit signals over 1,000 feet with 5 unique tone cadences—never lose track of your cables again.
PINPOINT ACCURACY EVERY TIME - Professional-grade analog tone generator ensures flawless wire tracing across Ethernet, telephone, coax, and more.
CONTINUITY POLARITY MADE SIMPLE - Intuitive LED indicators deliver instant, reliable feedback on wire status—cut troubleshooting time in half.

The Klein Tools VDV500-820 Wire Tracer Kit combines a professional analog tone generator and probe to accurately trace and test low-voltage cables including Ethernet, telephone, coax, and data lines. Featuring five distinct tone cadences and signal transmission up to 1,000 feet, it ensures reliable identification even in complex wiring bundles. Secure ABN clips, continuity and polarity testing with LED indicators, and a noise-reducing headphone jack make this kit an essential tool for efficient troubleshooting and cable management.

Specifications

ASIN	B07VYN98QV
Best Sellers Rank	#3,010 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Network & Cable Testers
Brand Name	KLEIN TOOLS
Color	Beige
Customer Reviews	4.7 4.7 out of 5 stars (4,278)
Global Trade Identification Number	00092644692192
Included Components	Tone and Probe PRO Kit
Item Dimensions	3 x 7 x 3 inches
Item Type Name	Wire Tracer Kits
Item Weight	1.3 pounds
Manufacturer	Klein Tools
Measurement Type	Ohmmeter
Minimum Operating Voltage	9 volts
Model	VDV500-820
Number of Items	1
Part Number	VDV500-820
Power Source	Battery Powered
Style Name	Analog
UPC	092644692192
Unit Count	1 Count
Upper Temperature Rating	122 °F
Warranty Description	1 Year Manufacturer

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