The lights without speakers are referred to on this site as Sidelights. The lights with speakers are referred to as Speakerlights.
The PCBs for the lights are the same in both the sidelight and speakerlight, although the wire colours may be different in the speakerlights.
Plugs and sockets can eventually be damaged by their insertion and removal. If you
want to protect the sidelight sockets on the wallwasher, buy a monitor port saver.
Originally sold to protect the VGA sockets on PCs, this is a back-
if you need to calibrate the lights, see the Calibrating page.