Due to a difficult because bad zugängigen installing an access point on the ceiling, I chose these RJ-45 connectors to the 568B standard. Threading a standard connector at a dizzy height and crimp simply seemed too time-consuming and uncertain. The Telegärtner connectors is very easy to use (illustrated manual is included), so you can not go wrong. Only the introduction of the board in the metal support was difficult and required a little more pressure and cajoling. Lights Camera a successful test were after about 5 minutes of production time wage. The price is so high that you can really hernehmen for individual applications this connector only, it is a bit larger than a standard RJ45 connector, but well made and makes a high impression. When time is even fast, secure an (expensive) alternative ... As a tool, a pipe wrench is required to play an even, parallel pressure on the board to exercise, for the overhanging wires also a nail clipper is quite good. The plug can be reused up to three times ...