Abstract:
Plug devices are used for the connection of mobile and
portable electric power users. Accordingly, they connect and
disconnect fixed and movable lines, without the use of tools or
aids. The use of plug devices is rQustrated in Fig. 1. The
accessories are designed so that parts of socket-outlets and
connectors (when they are wired as in normal use) and live parts
of plugs and appliance inlets (when in partial or complete
engagement with complementary accessories), are not accessible.
Accessories with earthing contact are designed in such a way
that: