The Extech Wire Tracer & Tone Generator Kit locates LAN cable at the patch panel.

The 2008 Doctor Watts Shirt-Pocket Electrical Guide ($12.95 value) contains a good collection of some of the most useful NEC tables, formulas and calculations.

• Transmitter with output cables terminated in modular RJ11 phone connector and RJ45 phone connector
• Transmitter injects traceable signal into cables, checks telephone lines, and performs continuity checks
• Non-contact probe audibly identifies selected wire or cable
• Easily trace wires from source to termination
• Test for properly operating phone lines
• Adjustable sensitivity control improves wire identification and eliminates false detection
• Complete with tone probe and tone generator with RJ11 and RJ45 phone connector
• Includes adapter with F type coaxial connector and pair of alligator clips, four LR44 batteries, 9V battery and carrying case

Applications:

• Identify wire pairs
• Trace LAN and telephone cables
• Check continuity
• Test telephone line polarity
• F type connector for testing 75ohm coaxial video cables

Spec Summary: