Mar 21, 2024 · It is a six-position, four-conductor modular plug or jack that is typically used in home and small office applications. Although newer versions like RJ45 are now available in the market, RJ11 still prevails in the voice communication sector. What is RJ in RJ11?

NECABLES 20Pack Telephone Modular Plug RJ11 6P4C Connector for Phone Line Cord (Compatible with Both Solid and Stranded Wire)

A six-position modular plug with conductors in only the middle two positions is designated 6P2C; 6P4C has four conductors in the middle positions, and 6P6C has all six. An RJ11 without power, if made with a 6P6C connector, has four unused contacts.

6P4C RJ11 telephone plug is perfect for 1 or 2 line telephones; Professional-grade plug has durable resin housing construction; Features 3-pronged contacts with 50 micro-inch thick gold plating; View More Details

Monoprice 6P4C RJ11 Modular Plugs for Round Solid Cable - Crimp On, 1U, 3 Prongs, 4 Conductor, Clear, 50-Pack

Make or repair POTS (Plain Old Telephone System) two, four or six wire phone cables with these RJ-11 modular connectors. These are (6P6C) plugs -- they will support up to six wires used by the voice grade jacks.

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RJ11 connectors are known as 6P4C or six position/four contact modular plugs. You may also see 6P2C variations. Due to its increased wire capacity needs, the RJ45 connector has a physically larger size and rectangular shape compared to the compact square design of RJ11.

NECABLES 20Pack Telephone Modular Plug RJ11 6P4C Connector for Phone Line Cord (Compatible with Both Solid and Stranded Wire)