依頼内容
“Two-way lighting on 230 V AC: one lamp switched from both ends of a hallway by two SPDT switches joined by two strappers.”
次はこちらAdd a third switch in the middle as an intermediateLabel the live, neutral and strapper wires
この図に含まれるもの
図の背後にある意思決定を読み解く。
01
Use SPDT switches with common, normally open, and normally closed terminals
02
Connect traveler wires between the switches' non-common terminals
03
Place the lamp in series between the second switch's common and neutral
Ideal for staircase lighting, hallway controls, or any room with two entrances where a single light fixture must be switched from either side.