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Repairing Security System Telephone Wiring

How to Identify and Splice Telephone System Cables – Telephone system wiring is considered low voltage however when a call comes in there could be up to 90 volts present.



How To Identify and Splice Security System and Telephone Cables

Electrical Question: I cut all of the wires to the security systems main box because we hadn’t ever used it in 7 years.

This electrical wiring question came from: James, a Homeowner from Kokomo, Indiana.
See more about Home Wiring for Indiana
Dave’s Reply:
Thanks for your electrical wiring question James.

How to Identify and Splice Telephone System Cables

WARNING
Telephone system wiring is considered low voltage however when a call comes in there could be up to 90 volts present, so be well insulated and lay on a dry insulated surface to prevent  direct contact with the ground and handle one wire at a time. The splices do not require to be in a junction box, just keep it neat and tidy, and staple the cables up against the floor joists. Usually there is some slack in the length of wires, so I like to bring them together and tie them into a knot.

The Following will assist you with Telephone System Cables

For more information about Phone Jack Wiring
Telephone Wiring
Telephone Wiring
Phone Jack Wiring
This telephone wiring diagram with photos and instructions will show you the direct steps to correctly wiring a telephone jack.



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