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Testing, Repairing and Installing Home telephone Wiring - Safety First

Telephone installation work is generally safe provided you follow these guidelines:

  • Do not work with outlets and wires that you are not sure are telephone facilities.  If you are unsure which facilities are or are not telephone facilities, you should consider consultation with an experienced professional.

  • Do not connect household electrical power to telephone lines.

  • Do not work on any telephone wires (or any wires) during a thunderstorm.

  • Work with insulated tools.

  • Touch only one wire at a time.

Note: When working with telephone wires and connections, there is always the possibility of an electrical shock. It is generally recommended that premises wiring be disconnected from incoming telephone lines. Do this at the NID. You may also choose to lift the handset of one telephone connected to the line as a means of avoiding electrical power surges which occur when your telephone rings.