MK Metalclad Plus Switch Socket Box is fitted with a brass earth terminal and a base knockout. This box is not suitable for mounting Grid Plus modules or modular data/telecom modules. Metalclad Plus range of surface mounted accessories is ideal for factories, workshops, garages and sheds. Made from heavy gauge steel they’re tough and impact resistant and they look good too. There is a wide selection of surface mounted products in the range including switch sockets with outboard rockers and light switches with wide rockers, both very useful when wearing gloves. An RCD protected socket is also available which is essential when operating power tools.