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Most wall phone jacks come configured
for a 2-line cord even thought a 1-line phone will
work just fine.
You are probably wondering why the extra pairs?
Well they will be used if you ever decide to add
another phone line or if for some reason the
primary pair stops working, then one of the
spare pairs can be used. |
Two Lines from one Telephone Jack
This style of phone jack can be pre-wired for a 2-line phone service, giving you the opportunity to have a second phone number that can be used for a business line or a fax machine.
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| Make sure the wires are well under the screw terminals. |
If you plan to use a cordless phone its always a good idea to install your phone jack wiring beside an existing wall receptacle which will be available for a low voltage transformer which may be required. |