A double pole switch is what you need to control a 240 volt device because 240 volt circuits have two hot wires. Autoplay when autoplay is enabled a suggested video will automatically play next.
Multiway Switching Wikipedia
Single pole vs double pole light switch. The double pole light switch also has on and off markings and like the single pole also turns off lights from a single location. 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. Traditional plate white insert. This terminology applies to toggle switches rocker switches and push button switches. Flat plate grid plates and switches. Traditional plate black insert.
Traditional plate black insert. Flat plate black insert. Capable of controlling two circuits simultaneously. Two for incoming hots and two for outgoing hots. Traditional plate grid plate and switches. It has four terminals.
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. Flat plate white insert. 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.
Gallery of Single Pole Vs Double Pole Light Switch
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