... Fluke test 4,UL,ISO9001,CE,RoHS 5pure copper conducto Category 5 cable (Cat 5) is a twisted pair cable for ... commonly connected using punch down blocks and modular connectors. Most Category 5 cables are unshielded, relying on the twisted pair design ... connectors, often incorrectly referred to as "RJ-45", are used for connecting category 5 cable. The USOC/RJ-61 standard is used in multi ...