1.1 This specification covers electric lighting fittings which prevent entry of water and are designed for use at supply voltage not exceeding 250 volts and for the enclosure of tungsten filament or electric discharge lamps.
1.2 The fittings covered by this standard are classified according to the type of construction and method of test specified as:
a) watertight lighting fittings, and
b) submersible lighting fittings.
1.3 This standard does not cover luminaires for street lighting (see IS :2149-1962〓) drip-proof, rain-proof and jet-proof electric lighting fittings (see IS: 3528-1966〓 ).
IS 3553-1966 history
1966IS 3553-1966 Specification for waterproof electrical lighting installations