This small momentary switch can be used as a normally open or normally closed contact. Accidentally used the wrong post during initial setup so the light came on when I closed the door (Ha! Ha!). Changed jamb and it works great. It's very small and a bit difficult to hold when soldering wires to poles, but that also means it's discreet and not very visible. Used it to control 120V AC with no problems. There are 10 in a pack so the price is great. I used to just go to RadioShack to get them. Now I couldn't find her anywhere in town. Luckily I got them from Revain after a few days.
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