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Anonymous users2024-01-24Diagram of five wires of dual control switch:
Turn left|Turn right.
A dual-control switch is a switch with two contacts (i.e., a pair) of normally open and normally closed at the same time. Usually two dual-control switches are used to control a lamp or other electrical appliances, which means that there can be two switches to control the switch of electrical appliances such as lamps and lanterns, for example, turn on the switch when going downstairs and turn off the switch when you go upstairs. If you want to turn off the lights, you have to run downstairs to turn them off, and you can avoid this trouble by using dual-control switches.
In addition, the dual control switch is also used to control the lamps and lanterns that need to be forcibly ignited in the emergency lighting circuit, and the two ends of the dual control switch are connected to dual power supplies, and one end is connected to the lamps, that is, a switch controls a lamp.
What color, generally red L or com, other casual.
A single open and double control is installed at the door of the bedroom, and a double open and double control is installed at the head of the bed in the bedroom.
The blue line is connected to the midpoint of the dual control switch, the red line is connected to the A line (3 wires are divided into ABC bar), the other end of the A line is connected to the midpoint of the dual control, and the BC is connected to the 1 and 3 of the dual control respectively
The first thing you need to know is the polarity and purpose of each power cord on the wall, which is a prerequisite for proper connection. The switch is two dual-control switches, of which L10, L11, and L12 are a group, and L20, L21, and L22 are a group. The L10 and L20 interfaces are connected to the live wire, and the living room lights used by dual control can be connected according to the dual control, and the spotlights can be connected according to the single control. >>>More
Five Lines:
One for lighting and one ventilation fan. >>>More