Applies to accessories with a rated operating voltage between lines not
exceeding 660 V d.c. or a.c. and a rated current not exceeding 125
A.Specifies types, rating of voltage and current, dimensions. Prescribes
requirements for workmanship, mark durability, protection against
electric shock, earthing connection, terminals of interlock, retaining
device. Describes resistance to ageing of rubber and thermoplastic,
construction of accessories, socket-outlet, plug, connector and
appliance inlet, water tightness, humidity resistance. Specifies insulation
resistance, dielectric strength, breaking capacity, normal operation,
mechanical strength, screws, current-carrying parts and connectors,
creepage distances, clearance and distances through sealing
compound, resistance to excessive heat and rusting. Includes marking,
labelling, sampling and criteria for conformity, testing