Kale:
Quickly, what I mean is
20 amp branch circuit
Feeding lighting in 5 office rooms
Each office has 2 fixtures @ 3 amps total
Each Office gets a 15 amp switch (spec grade)
(or 20 amp isf engineer/arch has spec)
Load thru switch is 3 amps
20 amp branch circuit
Feeding lighting in one room
Lighting load is 15 amps
Switch is 20 amp (spec grade)
In the first example, we could OCP the circuit at 15 amps; but we run all 20's in comm, unless spec says otherwise.
John
