scope:

This Standard specifies the measurement methods of luminous intensity distributions and luminous flux of luminaires for general lighting incorporating electric light sources (an incandescent lamp, a fluorescent lamp, other discharge lamps and electroluminescent devices such as an LED).

If the measurement methods of individual luminaires are specified in the particular standards of luminaires, the particular standards shall apply.

The "luminaires for general lighting" for the purpose of this scope do not include the following. However, this Standard may be applied to luminaires or light sources other than general luminaires, if it is applicable to those luminaires.

a) Luminaires used underwater

b) Luminaires for emergency exit sign in accordance with the Fire Service Act.

c) Luminaires for takeoff and landing of airplanes and obstacle light Luminaires