The difference between a single and double pole switch is that the latter controls two circuits at the same time. However this switch has four terminal screws used to connect a 240 volt circuit two 120 volt circuits that share a common white wire and always has a ground terminal screw.
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Single pole vs double pole light switch. A double pole switch is what you need to control a 240 volt device because 240 volt circuits have two hot wires. Flat plate white insert. Has two terminals for spst single pole single throw or three for spdt single pole double throw has four terminals for dpst double pole single throw or six for dpdt double pole double throw controls a single circuit. Traditional plate white insert. Traditional plate black insert. Traditional plate grid plate and switches.
Traditional plate black insert. Capable of controlling two circuits simultaneously. It has four terminals. The double pole light switch also has on and off markings and like the single pole also turns off lights from a single location. This terminology applies to toggle switches rocker switches and push button switches. Flat plate grid plates and switches.
Flat plate black insert. Two for incoming hots and two for outgoing hots. A single pole switch or breaker thermostat fuse block etc switches one hot leg of power while a double pole switches two hot legs of power and three pole switches three etc. Autoplay when autoplay is enabled a suggested video will automatically play next.
Gallery of Single Pole Vs Double Pole Light Switch
