Time switch. A self-starting controlling device, synchronous motor driven equipped with an astronomical dial and mounted in drip-proof, dust-proof, dust-tight weatherproof housing in, or on, lighting unit or in box housing the time switch. The time switch shall be adjusted to operate in accordance with the Section 4.35 of these Specifications or other schedule.
Time switch. A self-starting controlling device, synchronous motor drive equipped with an astronomical dial and mounted in drip proof, dust proof, dust tight weatherproof housing in, or on, lighting unit or in box housing the time switch. The time switch shall be adjusted to operate in accordance with the annexed time table or other schedule.
Time switch. (a) Time switch shall be suitable for automatic switching ON and OFF of street lighting / flood lighting circuits.
