zmVault/twisted-pair-cable.md

title, tags, up

title	tags	up
Twisted Pair Cable	type/encyclopedia-entry	electrical-construction

Twisted Pair Cable

Scope

This note concerns twisted pair cabling, but only as relevant to electrical estimating.

Unless noted otherwise, twisted pair cable as used in this note refers to 4-pair Category 5 and Category 6 cable constructions.

It should be noted for accuracy that the standards for Category 5 and Category 6 do not exclude cables of more than 4 pairs.

Construction

Name	Bandwidth
Cat 5	100 MHz
Cat 5e	100 MHz
Cat 6	250 MHz
Cat 6A	500 MHz

Connectors

8 position 8 contact (8P8C) modular connectors

• male --- "plug"
• female --- "jack" or "socket"

"RJ45"