Improvements in and relating to switches.

摘要

In the invention we provide an electricity supply unit (3) having separate primary (1) and secondary (2) chambers, in which the primary chamber (1) is sealed and connected to the mains and the secondary chamber (2) is accessible to the user for electrical connections and has a common earth within the primary chamber. This enables the electricity supply company to fit the unit and seal the primary chamber (1) and another party to make connections to the secondary chamber (2) without disturbing the primary chamber (1). To be accompanied when published by Figure la of the drawings. <IMAGE>