Strong steel cased finished in light grey RAL 7035. High-Integrity dual earth bonding for maximum safety. External M5 earth stud, with earth wire 250mm long. Red’mains on’ neon indicator. Identifying strip above the sockets for users to label each sockets function. Terminated with a 32A IEC309 (BS4343) plug and 3m cable. 19? X 2U (483mm x 88mm) x 78mm deep.