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How to wire 240 volt plugs |
| 15-20 amp 240 volt straight blade | |
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15
and 20 amp Plugs Look at appliance rating. Install correct outlet and breaker. Use 15 amp breaker for 15 amp 240 volt. Use 20 amp breaker for 20 amp 240 volt. Buy 15 amp plug: Leviton 6-15P 240 volt 15 amp plug Buy 20 amp plug: Leviton 6-20P 240 volt 20 amp plug |
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15
and 20 amp Connectors Look at rating plate of device for amperage Buy 6-15R 15 amp connector 12 gauge extension cord Buy 20 amp connector: 6-20R 20 amp connector |
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240
volt 15 amp Receptacles Look at rating plate of device for amperage Buy 15 amp receptacle 5029 brown, white, ivory single 5661-Cr yellow single 5089-I ivory single Decora white Stainless single cover plate Buy: Leviton single hole plates Stainless 2-gang plate You cannot plug two 15 amp 240 volt air conditioners into the same plug without running two separate 15 amp lines, on different breakers, to the receptacle. Buy: 5662 15 amp 240 volt receptacle double Leviton 6-15R 15 amp 240 volt receptacle Decora white |
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240
volt 20 amp Receptacles Look at rating plate of device for amperage Buy 20 amp receptacle 5461 single 20 amp 240 volt receptacle 5461-W single 20 amp white Decora ivory Stainless single cover plate Buy: Leviton single hole plates Stainless 2-gang plate Leviton receptacle plate You cannot plug two 20 amp 240 volt air conditioners into the same plug without running two separate 20 amp lines, on different breakers, to the receptacle. Buy: 5462 double 20 amp 240 volt dual receptacle outlets 5822-W brown, ivory, white Decora white |
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240-120 volt conbination
receptacle This combination receptacle lets you plug in both 120 volt lamp and 240 volt window air conditioner. How to wire: Requires 12-3 wire. Hots are connected to one double breaker inside breaker box, and Neutral is connected to Neutral busbar. Single breaker is not used. Option: You can draw a Neutral from any nearby 120 volt outlet or ceiling box, however the 240 volt Hot wires must be on a dedicated breaker that serves only that 240 volt receptacle. Caution for double receptacles: You cannot run more than 20 total amps at one time. Volts x amps = watts For example if 240 volt window air conditioner pulls 16 amps, and you have 1500 watt 12.5 amp space heater on 120 volt plug, it will only work if neither is ON at same time. However if you are using 240 volt 16 amp air conditioner, and plug in 120 volt light with two 100 watt bulbs (200 watts), then the light will pull 1.6 amps and total amp draw is within capacity of 20 amp circuit. Buy: 20 amp White 20 amp Ivory and brown Resource: Basic household wiring |
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Change 240 volt outlet into 120
volt outlet 1) Replace 240 volt outlet with 120 volt 2) In the breaker box, the 240 volt circuit has 2 wires that connect to double breaker. 3) Leave Black wire connected to breaker. 4) Remove other wire from breaker, and connect that wire to Neutral busbar. 5) Ordinary 120 volt outlets have brass screws on one side for Black Hot wire, and silver screws on opposite side for Neutral wire. 6) caution: To change 120 volt into 240 volt is not as easy unless the 120 volt is on a dedicated breaker that serves only that outlet. Normally 120 volt outlets are connected several lights and other outlets. The 240 volt circuit needs to be dedicated, so that only that 240 volt receptacle is served by that breaker. Buy: 240Volt outlet at Amazon 240Volt outlet at Amazon 240Volt outlet at Amazon 240Volt outlet at Amazon 240Volt plug |
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20 amp air conditioner Window air conditioner box in store shows voltage and type of plug. Volts x amps = watts. You cannot use all three 240 volt receptacles at the same time. Must install each receptacle on separate 20 amp breaker. Notice that all electric receptacles and lights are wired in parallel and never in series. Buy: 240 volt extension cords 6' extension cord for window air conditioner Leviton 5842 20 amp 120-240V outlet Leviton 5822 20 amp 240V outlet Leviton 5821 20 amp 240Volt outlet Resource: Basic household wiring |
| 30-40-50 amp Straight blade on different page How to wire 240 volt outlets |
| 15-20-30 amp Twist Lock | |
   You can use 30 amp twist lock for 15 or 20 amp circuit. But you cannot use 20 amp for 30 amp circuit. You can use a 4-wire twist-lock device with 3-wire installation. But you can not use 3-wire twist lock with 4-wire installation. You should never use 120 volt device for 240 volt circuit.... buy the correct rating for load. Why Leviton: quality materials (ie brass terminal screws) and durability over time. Why 125-250 volt ratings instead of 120-240 volt: incoming service voltage can vary at each location. |
Locking
plugs/ twist lock Nema L5 (look at bottom of graphic for Nema category) is same configuration for 20P or 30P/ use for 15, 20 or 30 amp Nema L6 is same configuration for 20P or 30 P/ use for 15, 20, 30 amp Nema L14, 4-pole is same configuration for 20P or 30P/ use for 20 or 30 amp 125 volt 3-wire has silver, brass and green screws 250 volt 3-wire has brass, brass, and green screws 125-250 volt 4-wire has silver, brass, brass, green screws Buy: Leviton L5-15 15 amp L5-15 15 amp plug Leviton 2311 125V 20 amp 2611/ 125 volt/ 30 amp 2321/ 250 volt/ 20 amp 2621/ 250 volt/ 30 amp 2411/ 4-wire 125-250 volt/ 20 amp 2711/ 4-wire/ 125-250 volt/ 30 amp Resources: Locking plug Wiring diagrams |
 You can use 30 amp twist lock for 15 or 20 amp circuit. But you cannot use 20 amp for 30 amp circuit. |
Locking
receptacles Nema L5 (look at graphic for Nema category) is same configuration for 20R or 30R/ use for 15, 20 or 30 amp Nema L6 is same configuration for 20R or 30 R/ use for 15, 20, 30 amp Nema L14, 4-pole is same configuration for 20R or 30R/ use for 20 or 30 amp Buy: Leviton 2310/ 125 volt/ 20 amp 2610/ 125 volt/ 30 amp 2320/ 250 volt/ 20 amp 2620/ 250 volt/ 30 amp 2410/ 4-wire/ 125-250 volt/ 20 amp 2710/ 4-wire/ 125-250 volt/ 30 amp Buy double outlet 4550/ double/ 125 volt/ 15 amp 4700/ double/ 250 volt/ 15 amp Resources: Locking receptacle Wiring diagrams |
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20 amp 240 volt timer
Plug in timers Use for window air conditioner or appliance Buy HB114 analog 20 amp timer BDT programmable 20 amp 240 volt Extra trippers for HB114 Air conditioner cords 6' extension cord for HB114 air conditioner |
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15 amp 240 volt timer Buy: Titan programmable 15 amp 240 volt timer HB112 Analog 15 amp timer Hydrofarm programmable 15 amp 240 volt Titan analog 15 amp 240 volt timer Other hardwire 240 volt timers 15 amp 240 volt plug Resource: |
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