Crouse-Hinds AR642 Light Switch and Control Accessories (NSB AR642), sold in EA units, are components that complete the AR642 switch and control setup. These accessories are part of the NSB AR642 family and are intended to accompany related Crouse-Hinds switch and control assemblies. The AR642 designation identifies the specific series within the Crouse-Hinds line, helping buyers verify correct pairing with compatible equipment.
