Phone Wire -

The most frequent connector is the RJ11 , which uses 2 wires for a standard phone line. Others include the RJ14 (4 wires) and RJ25 (6 wires).

Phone lines carry about 48 volts DC to provide a dial tone, which isn't generally dangerous but can jump to 90 volts when the phone rings, causing a mild shock. Experts recommend avoiding wiring work during thunderstorms due to lightning risks. Types of Cables phone wire

Why Is VoIP Replacing Copper Phone Lines in the U.S. and UK? The most frequent connector is the RJ11 ,