Electronic 3 Way Switch. Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. S. in Electrical Engineering from the University of Louisiana at Lafeyette and holds an Oregon Journeyman Electrical License as well as electrician.
The three-way switch is a variation of the standard single-pole switch, which controls a light only from one location. S. in Electrical Engineering from the University of Louisiana at Lafeyette and holds an Oregon Journeyman Electrical License as well as electrician. Three-way switch wiring requires the use of a three-conductor cable to connect the two switches.
Spring return, center push, Single knob can move CW/CCW/PUSH.
I believe they are both three way switches, I know one of them is.
They are always installed in pairs and use special wiring connections. The best example of this would be at either end of a long hallway, or at the top and One of the three terminals is "identified" (by using a different color) and is usually the bottom screw on the side with two screws. In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load (often, but not always, lighting) from more than one location.
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