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Nascom N78G/STDD Recessed 1" Wide Gap Standard Door Edwards Signaling 1076D-G Recessed Steel Door Magnetic Contact with Wire Leads, 1" Diameter, DPDT, 1/2" Gap Size, Double Pole-Double Throw, Gray. Edwards Signaling 1076D-G Recessed Steel Door Magnetic Contact with Wire Leads, 1" Diameter, DPDT, 1/2" Gap Size, Double Pole-Double Throw, Gray · Edwards A Door Position Switch (DPS) is a switch and magnet mounted on the door and frame that monitors the door status. Watch how Wardrobe sliding door light switch fixed #interiordesign ...