a separate contact: single pole switches have one contact, double pole two, etc.
throws in a switch are the number of ways the switch may be set.
What are Air Force types of ied switches
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A single pole switch interrupts only one wire, which must be the live wire. A double pole switch interrupts both the live and the neutral, so it contains two separate switches operated by the same lever. Current practice is to use single-pole switches, to avoid a fault condition which could leave equipment live while switched off.
Use three-way (as opposed to single pole) toggle switches for this application.
Double pole switches isolate the power by cutting off both phase and neutral simultaneously.
What are Air Force types of ied switches
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The "sw" is electrical terminology for the word "switch". A single pole switch is one that opens the circuit when in the off position and closes the circuit when in the on position. Individual switches that turn on light fixtures in your home are in the classification of single pole switches.
A single pole switch interrupts only one wire, which must be the live wire. A double pole switch interrupts both the live and the neutral, so it contains two separate switches operated by the same lever. Current practice is to use single-pole switches, to avoid a fault condition which could leave equipment live while switched off.
you can hammer weird switches with it , so keep hammering weird switches that you see until you hit the right switch that makes the pole fall down in front of the boss pole.
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Use three-way (as opposed to single pole) toggle switches for this application.
You cannot wire a single pole switch and 3 way switch together.
A single-pole switch is an on/off switch that switches a single wire such as the circuit to your overhead light. A double pole switch is also an on/off switch that switches two wires. You would use this to switch as 240 volt circuit (which requires two hot wires) or if you had two circuit you wanted to switch at the same time. I've used them when I had two large light circuits that required two breakers that I wanted to switch with one switch.