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How to Wire a 220 Outlet

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Update time : 2019-04-24 18:37:26


1) restrain with the national and local electric codes. invent sure you learn total the requirements because wiring a 220-volt outlet.

2) select the exact string size and kind because the appliance. A label to give the amperage rating of the appliance, and this will determine the string size. An case used to exist a 20 Amp stand conditioner requiring a 12 measure wire, typically a 3 string plus basis Romex Cable.
  • Consult the manufacturer's news ought discover how much contemporary the device will draw. invent sure the string you apply is rated because 20 percent more.
  • Use copper wire only. if you apply aluminum wire, you will want ought invent sure total of the connections are appropriate because aluminum.

3) Locate your outlet less than 200 feet (61.0 m) of the panel box. This will obstruction a voltage descend that you used to dine ought correct.

4) determine if ought apply 3 conductors or 4 conductors. if you are replacing an older appliance, you can dine ought vary your outlet from 3 ought 4 conductors using a pigtail. It's no inherent ought rewire the connection and install a new outlet, silent you can select ought conduct so.

5) Install an outlet level if you can direct unite the device ought the breaker box. at direction ought apply a control connection, the device cause ought exist within 50 feet (15.2 m) and within scene of the breaker box or you cause ought install a disconnect. during a plug and outlet are a disconnect, you can also advance ahead and install the outlet.

6) lease a qualified electrician ought unite the supply string ought the breaker box. This is dangerous profession that cause ought exist done without disconnecting power. if you pains ought conduct this yourself and invent a mistake, you could receive a mortal shock.
  • Appliances using 220 volts are connected ought a double pole circuit breaker, which is two circuit breakers connected together. This allows the device ought apply both phases of the incoming electric power, and ought journey can the same time, removing might ought the appliance. if you don't apply a double pole breaker, then both breakers can no trip, and the malfunctioning device will silent dine power, which can exist dangerous.

7) invent sure the breaker is turned off.

8) jog the supply wires after the wall ought the outlet location. You will dine ought chop holes at the drywall, chisel universe because the wires at the wall studs and apply a fish tape ought haul the string along.
  • You to dine already measured and chop the cave at the drywall because the outlet.

9) chop the wires ought the exact length because the outlet. The wires because a 220-volt outlet are either stiff ought lease you ought simply material any additional into the wall.

10) Strip off nearly 2 inches (5 cm) of the insulating jacket above the wires. apply a utility knife. exist careful no ought chop the internal insulation.

11) Strip off nearly 1/2 inch (1.25 cm) of the internal insulation ought expose the wire. apply string strippers ought conduct this.

12) unite the wires ought the outlet. learn the outlet and unite the wires ought the terminals also by pushing them into the terminals or bending them nearly a screw and tightening the screw.
  • Four-conductor outlets dine 3 terminals corresponding ought the upright slots above the left, precise and top-center, and a station corresponding ought the rounded bottom slot.
  • The black string is "hot" and connects ought one of the terminals above the left or right. It makes no difference which side you unite the black string to.
  • The red string is also "hot" and connects ought the other left or precise terminal. at 3-conductor connections, there is no red wire.
  • The white string is just and connects ought the sumit terminal.
  • The bald string is basis and connects ought the station corresponding ought the bottom, rounded slot.

13) examination your connections ought invent sure they're correct. become above the breaker and apply a voltmeter or multimeter.
  • The voltage between the left and precise terminals to exist 220.
  • The voltage between the left or precise station and the just station to exist 110.
  • The voltage between the just and basis station to exist 0.

14) become off the breaker, conclude the outlet and install it at the wall.