GOST 14254-1996 Degrees of protection provided by enclosures (IP code)
GOST 2746-1990 Screw holders for electric lamps. General specifications
GOST 8865-1993 Electrical insulation system. Thermal evalution and classification
GOST IEC 60034-5-2011 Rotating electrical machines. Part 5. Classification of protection degrees provided by the integral design of rotating electrical machines (IP code)
GOST IEC 60432-2-2011 Safety specifications for incandescent lamps. Part 2. Tungsten halogen lamps for domestic and similar general lighting purposes