"X" joiner connects 4 Lighting Tracks together to form 2 intersecting Track runs Adds 1 3/8 inches to total length of each Track run once inserted 120V / 20 Amp rated OAH (in.):0.75 Overall Width (in.):4.3 OA Depth (in.):4.3 Dimmable:Yes Voltage:120V AC 60Hz