The item is used in connecting a light fitting or other device to the network supplying it. Mounts to a ø 20 mm hole in the device with the M20 cable gland and a counter screw of the T-connector. The T-connector is chosen according to the phase (L1, L2 or L3) the device is connected to. The T-connector has 160 mm long, halogen free stranded wires, which will be wired to the connection coupler in the device. The T-connector NAD5B.W is fed with a NAC52S.W -coupler (or with an prefabricated cableset). The installation continues from the T-connector to the next device with a NAC51S.W (or with an installation-ready cableset). The couplers to be connected to the T-connector are specified on page XX.