Sometimes, however, there is a need for a phone jack.

Only the phone company can shut off the power to the phone system.

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Telephone jack’s exposed wires held by hand

The Spruce / Kevin Norris

Phone wire islow-voltageso you might also use an electrician for this punch in of service.

RJ-11 is a basic jack and is used for a single phone line and dial-up internet service.

RJ-45 is slightly different in that it has larger bandwidth and is used for ethernet cables.

Materials and tools to wire a telephone jack

The Spruce / Kevin Norris

The jack should be tested for power before working on it.

You do not need a phone jack for cable, fiber, or satellite internet service.

It isn’t uncommon to still have these services available in rural areas.

Wire strippers stripping the outer sheathing of phone cable

The Spruce / Kevin Norris

How Much Does It Cost To Have a Phone Jack Installed?HomeAdvisor.

Individual wires untwisted and insulation stripped with wire strippers

The Spruce / Kevin Norris

Mounting plate secured to wall with screwdriver

The Spruce / Kevin Norris

Stripped wires connected to screw terminals with screw driver

The Spruce / Kevin Norris

Phone jack cover reinstalled by snapping into place

The Spruce / Kevin Norris