A pull chain switch has an actuator that makes or breaks the circuit contact when the chain is pulled downward. Single pole, double throw (SPDT) is a three terminal switch that controls two single-wire circuits, permitting only one circuit to be energized at a time. It is commonly used in pairs and sometimes called a three-way switch.
A pull chain switch has an actuator that makes or breaks the circuit contact when the chain is pulled downward. Single pole, single throw (SPST) is a two terminal switch that opens or closes one circuit.
The nylon snap bushing is used in rough, unfinished holes, converting them into smooth openings to mechanically protect and insulate electrical and telecommunications cables, tubing, rope and utility lines. With multiple locking steps to easily snap into place in a mounting hole that has a panel thickness up to 0.125 inches and a mounting hole diameter of 0.375 inches.
Rubber grommets cover and cushion hole openings, protecting the cables and wires that pass through from abrasion or damage from sharp corners or edges.