How to Wire a Double Switch (with Pictures) - wikiHow MethodTipsWarningsThings Needed Cut the power to the room you're working in. Head to your circuit breaker and turn off the flow of electricity in the room you are working. Usually the correct circuit is labeled, but if it is not you should turn off all the power in order to be safe. The energy going to a switch is nothing to scoff at, and it can cause serious damage if you come in contact with it. You should still wear Use a voltage detector to ensure that there is no power coming to the wall. Touch the device to the See all 6 steps on wwwhowViews: 404K How to Install a Double Pole Switch | DoItYourself Step 1 – Gather MaterialsStep 3 – Cutting The PowerStep 4 – Voltage DetectorStep 5 – Removing Existing SwitchStep 6 – Wire DeterminationStep 7 – DiagramsStep 8 – Detaching The WiresStep 9 – Attaching A Double Pole SwitchStep 10 – Testing The Hot WireStep 11 – Connecting The WiresStep 12 – ReconnectingGet all of your materials together. When purchasing the switch, be sure it is a double pole versus a single pole switch. If in doubt you have the correct switch, ask a sales representative at the home improvement center. A double pole switch should have the Double Pole Switch Terminal (DPST) clearly outlined.See more on doityourself How to wire a double pole light switch - Quora The most common use of a double pole switch in lighting is the 4-way (double pole double throw) switch. It is wired between two 3-way (single pole double throw) switches. The other and less common use is a double pole single throw switch that can switch both phases to a 220 volt light. Light Switch Wiring Diagram (Single Pole) - Easy Whether you have power coming in through the switch or from the lights, these switch wiring diagrams will show you the light. Light Switch Wiring Diagram (Single Pole) This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house How to Wire a Double Switch - Wiring a Switch - Conduit I show how to wire a double switch that operates a light and an exhaust fan. This is in the Chicago area with conduit. USA. A double switch has 2 switch levers in a single housing. The most common pairing is 2 single pole switches or 1 single pole switch and 1 three way switch.