Printable wiring diagram cat5 punch down block
An electrical connector is an electro-mechanical device used to join electrical terminations and create an electrical circuit.Electrical connectors consist of plugs and jacks (female-ended).The
connection may be temporary, as for portable equipment, require a tool for assembly and removal, or serve as a permanent electrical joint between two wires or devices. Strictly speaking, a textbook installation will only
actually use pins 2, 5 (for the voice) and 3 (for the ringer). Having said this, most modern telephones no longer require a ringing capacitor may have and 2-wire connections, which means that extension wiring can usually be run with only pins 2 and 5.