When controlling a 240 volt motor it is best to install a double pole switch for this irrigation pump. You have an incoming hot wire black going to one screw it does not matter if you use the brass or silver screw on the side of the 2 way switch and a black wire from the other screw on the 2 way switch going to the load light ceiling fan etc.
240v Double Pole Switch Wiring Diagram
How to wire a 2 pole switch. The double pole switch can now be added into the circuit with both colored wires the black. To wire a double switch youll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. At the light it connects to the neutral terminal. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury. You wire a double pole switch in essentially the same way as a single pole one but its important to remember to keep the red wires on one side of the switch and the black wires on the other. Next connect the two black wires to the remaining brass colored screws.
Step 22 connect the cable. Two wire cable runs from the combo to the light fixture and the switch output is connected to the black wire running to the fixture hot terminal. Episode 3 how to wire for and install a switch duration. Step 2 hook up the switch step 21 connect the neutral line. The white wires are wire nutted together so they can continue the circuit. How to make up a single pole switch box during rough in commercial duration.
This kind of mistake is easy to make and potentially very dangerous depending on the application. If you mix them up the switch wont work and could be dangerous. A double pole switch is the safest way to make sure that both lines of the 240 volt circuit power to the pump are turned off. The source neutral wire is spliced to the neutral on the receptacle half of the combo device and to the white cable wire running to the light. Connecting the new switch bend the ends of the wire into a half moon shape to go around the screws. Electrician u 936358 views.
Wiring a control switch for a 240 volt pump. Step 22 add the switch. At this point if the cable has a neutral line both neutral wires are to be. Loosen the light switchs screws on one side. First tighten the bare copper or green wire to the green ground screw. Make sure you dont just use top or bottom screws.
How to wire a control switch for a 240 volt pump. Use the same clockwise wrapping technique as the ground wire to attach the black cables to the two screws. Your time will be well spent double checking your work. Connect the switch as you would with a simple switch handling each pole separately. Make sure that there are no cross connections between the two poles. Cap wires as needed.
Use one screw in the on position and one screw in the off position on the same side. A double pole switch.