13.6.1 The temperature
rise on the live parts of socket outlet and plugs is not to exceed
30°C. Socket outlets and plugs are to be so constructed that they
cannot be readily short-circuited whether the plug is in or out, and
so that a pin of the plug cannot be made to earth either pole of the
socket outlet.
13.6.2 All
socket outlets of current rating in excess of 16 A are to be provided
with a switch, and be interlocked such that the plug cannot be inserted
or withdrawn when the switch is in the `on' position.
13.6.3 Where
it is necessary to earth the non-current carrying parts of portable
or transportable equipment, an effective means of earthing is to be
provided at the socket outlet.
13.6.4 On weather
decks, galleys, laundries, machinery spaces and all wet situations
socket outlets and plugs are to be effectively shielded against rain
and spray and are to be provided with means of maintaining this quality
after removal of the plug.