This Standard specifies photoelectric controls for public lighting (hereafter referred to as "PC switches") of integral system or separate system with a rated voltage 100 V or 200 V intended for use as a single unit in general outdoor places under a.c. singlephase two-wire system.
General places above-mentioned do not include the following.
a)Places where corrosive gases exist
b)Places where salt damage is anticipated such as seashore
c)Places where it is always high temperature or high humidity
JIS C 8369:2012 Referenced Document
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