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A switch is inserted in series with a single wire. When the switch is on, it is as if the wire had not been opened to insert the switch. When the switch is off the wire is open and no current can flow. All a double pole switch does is allows you to switch two separate wires at the same time with the same switch action. A single pole switch just switches one wire.

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A single pole light switch controls one circuit and has one switch, while a double pole light switch controls two circuits and has two switches.


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A double pole switch is used to control two separate circuits simultaneously, while a single pole switch only controls one circuit. This means that a double pole switch can completely disconnect both the hot and neutral wires, providing a higher level of safety and control compared to a single pole switch.


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Answer for USA, Canada and countries running a 60 Hz supply service.The difference between a double pole switch and a single pole switch is the use of the switch in the installation or equipment. A double pole switch is used when the voltage from two circuits has to be broken. An example of this is a 240 volt supply. A single pole switch is used where there is only a single supply voltage that has to be broken.


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What is a double pole switch and how does it differ from a single pole switch?

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What is the difference between double pole and triple pole?

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Can you change a single pole switch to adouble pole switch for your winch.I got a new switch single pole switch but think i needs a double which should be 2 wires in and 2 wires out?

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