How To Convert 120V Receptacles Or Branch Circuits To 240V! (Also 240V To 120V)

How To Convert 120V Receptacles Or Branch Circuits To 240V! (Also 240V To 120V)

Learn how to easily convert 120v electrical receptacles or dedicated branch circuits to 240v, or convert a 240v receptacle (Branch Circuit) to 120v. A step by step DIY electrical guide. How to convert 120v or 240v electrical outlets, properly wire a circuit breaker panel and branch circuit using single and double pole breakers. Enjoy!

DISCLAIMER: Proper safety measures/precautions must be taken when working on 120v or 240v AC mains wiring(branch circuits). The potential exists for serious injuries, property damage, or death. If you’re uncomfortable doing as shown in this video, or don’t fully understand what was done, then you SHOULD NOT touch the wiring! This channel will not be held liable for the use or misuse of information contained in this video. The person modifying the wiring accepts full responsibility for his/her actions. ELECTRONICSNMORE LLC

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50 Comments

  1. marcus duncan on October 31, 2021 at 9:41 am

    How does current come back to the transformer if there is no neutral connected to the receptacle

  2. Louis Hernandez on October 31, 2021 at 9:43 am

    i got both connected but im not getting 240v im getting 160v

  3. LisaAllen4 on October 31, 2021 at 9:47 am

    Thank you for your reply but my question remains. In my case there is another receptacle on the same line. It is currently a 120v, 20A Breaker, 12/2 Wire, with 2 Duplex Receptacles. I would like to change it to a 240v, 20A Breaker with a Duplex Receptacle 15A (240v). Do I rid the other Receptacle or put an additional !5A (240v) Receptacle in its place?

  4. Kirby on October 31, 2021 at 9:48 am

    Excellent explanation, and thank you.

  5. John Bond on October 31, 2021 at 9:49 am

    11:07 Ha! Neutral bus seldom has a dangerous potential on it, except in rare conditions where the triplex meets the tails, and the ground connection is faulty. Note that it is _never_ save to touch a neutral on the inside wiring, because the return path to the bus is unreliable. Many will be shocked to find this out the hard way.

  6. John Bond on October 31, 2021 at 9:49 am

    Ever run into a neutral that was accidentally connected to an adjacent breaker? Customer couldn’t figure out why his light bulbs were popping when he hit the switch.

  7. Tom Freer on October 31, 2021 at 9:51 am

    Excellent! And something I never knew or understood. Thank you!

  8. Sean Ashcroft on October 31, 2021 at 9:52 am

    Please Help! …… I bought a Duro max Generator XP11500EH. I am a Brit living in South Korea. The British and Korean electrical system is quite different! 220 / 240 Volts via (x1) Live, (x1) Neutral, (x1) Earth!
    How do I get the American (x2) 120 Volt Live wires to interface with the international 3 wire system?
    Can I join the American (x2) 120 Volt Live wires inside the 3 pronged Female English plug, on the live leg to give me 
    240Volts, or will this revert me back to 120 Volts?

  9. Robert MacDonald on October 31, 2021 at 9:53 am

    Scary, poking into a live panel with a screwdriver. Here, hold my beer.

  10. Nicolas Xu on October 31, 2021 at 9:53 am

    can you save your crap? It is a waste of time, just give me 30 seconds. It is enough.

  11. Tony Wagner on October 31, 2021 at 9:56 am

    15 amp receptacles are ok to be used on 20 amp circuits .

  12. John Bond on October 31, 2021 at 9:59 am

    15 A receptacles are fine on a 20 A circuit, as long as there is more than one of them (NEC 210.21B3).  But NEC does require a dedicated circuit for major appliances. Of course, older kitchens and utility rooms with fewer circuits than appliance outlets are "grandfathered" in. But NEC muddies the waters when it comes to installing a 20 A receptacle on a 15 A circuit, since 15 A circuits are no longer allowed for receptacle lines, no matter what the wire size, #10/12/14, as it is stated that the rating of a circuit is dictated by breaker size, and not by wire size (NEC 210.12(B)(3) ).

  13. david valens on October 31, 2021 at 10:00 am

    What kind of pliers do you use to do this job?

  14. Edgar Mondejar on October 31, 2021 at 10:01 am

    Can covert power source from power going to the o house that is one line of 220 and neural ?

  15. Markg330 on October 31, 2021 at 10:03 am

    I swapped a 15amp gfci to a 20 amp gfci . The breaker is also 20amp is this okay or do I need to replace back to the 15 amp immediately?

  16. Andrew Shim on October 31, 2021 at 10:04 am

    after you convert 120 to 240, can you charge ev cars?

  17. Jamal Benthall on October 31, 2021 at 10:05 am

    Dam that was a beautiful video. It was explained so well. Thank you 😊

  18. Ray Ray on October 31, 2021 at 10:06 am

    I liked it when you said make sure only 1 device is connected to the circuit when converting. This is always missed! Great job Thumbs up and a like from me!

  19. Hooks Electric on October 31, 2021 at 10:06 am

    A metal object in a “live” panel even for instructional purposes is a bad look!

  20. Knowledge Born on October 31, 2021 at 10:06 am

    Great video sir!!! If I want to convert a 120v outlet to a 220v and there are other outlets on the circuit would this still work? No? The other 120v still need a neutral going back panel correct?

  21. Ronald Phelps on October 31, 2021 at 10:07 am

    Great video and thank you for sharing . I have one quick question. I have a 220v car lift that needs outlet converted. Its a dedicated 120 circuit, is there a difference with the 220v verses 240v? and would I be okay changing that. Would appreciate your opinion, thanks

  22. mr_wingoto on October 31, 2021 at 10:07 am

    Nice video, well explained, but it only takes one mishap to end it all, don’t get to comfortable with electricity friends, work smart and turn off the power

  23. John Martin on October 31, 2021 at 10:08 am

    It is very dangerous to convert 120 volt to 240 volt–unless you are using 10 gauge wire. Voltage is not the problem going through 12- 2 wire. It is the amperage. I don’t know of any code that recommends or even permits converting 120 volt outlets to 240 volts. AGAIN-This is a very dangerous procedure. Just ask any licensed electrician.

  24. Tony B on October 31, 2021 at 10:08 am

    excellent video for people like me, very well explained.

  25. Alain Fernandez on October 31, 2021 at 10:09 am

    That is a very instructive video, and the right way to do it and is going to work as intended, now it is not going to pass the electrical inspection, because of the # 12 white wire converted to red ( I am assuming that you are in USA).

  26. Parker Shaw on October 31, 2021 at 10:09 am

    Man, watching your screw driver tip hovering between the two bus bars were exciting!

  27. ????? on October 31, 2021 at 10:10 am

    Am trying to add 220 volt outlet.but no power at any wire red or black.even breaker has power

  28. Muromets on October 31, 2021 at 10:14 am

    This is the best YouTube video on this topic!

  29. Gabriel Pla on October 31, 2021 at 10:14 am

    What does it mean when the breaker buzzes for a few seconds and clicks or pops off? Also…smoke in the other room… same wires worked as 120 outlet before conversion. I feel like I inserted the breaker incorrectly. I used a multimeter to check for continuity and it beeps when touching to neutral in box but not at outlet. I try to test again with box off to confirm.

  30. Dee Jay on October 31, 2021 at 10:15 am

    If those 110V wire only good for 15A, there was the 110V 15A breaker on it. What is the A of the 220V breaker that you installed?

  31. Arthur Morgan on October 31, 2021 at 10:17 am

    8:45 What cutter is that? Looks old and unique

  32. Random Guy on October 31, 2021 at 10:18 am

    They delivered a new AC window unit to me and the plug has horizontal T-prongs. Whats up with that? What do I do?

  33. dan downs on October 31, 2021 at 10:20 am

    Excellent video. All I’m saying is this. Experience or not, keep poking around in a hot electrical panel with anything, especially a metal screwdriver and your gonna get bit! I know it sounds backwards, but experience at this point is your enemy. No doubt you already know all this. Be safe..

  34. erwin dalao on October 31, 2021 at 10:23 am

    one of the best explanation

  35. tony fox on October 31, 2021 at 10:24 am

    This could have easily been 10 min less.

  36. randy johnson on October 31, 2021 at 10:25 am

    Thank You

  37. Victor O'Neill on October 31, 2021 at 10:27 am

    It’s not as simple as this. Most likely a 240v compressor will require 10 gauge wire.

  38. Ralph Averill on October 31, 2021 at 10:28 am

    No un-trained, un-licensed person should ever pull a panel cover off and do any work inside. Period.
    One should also think twice about taking electrical training of any kind from some self-annointed "expert" on YouTube.
    If you screw up the plumbing, you get a mop, and maybe a bottle of bleach.
    If you screw up the electricity, you call the fire dept. or maybe the coroner.
    Bona fides; retired electrician with 40+ yrs in the trade.

  39. Kevin Coulombe on October 31, 2021 at 10:30 am

    Damn I’ll be dead and buried by till you get to the end of this damn video you talk too much unhook the wire from the fuse box put it over on the positive Paul and go on dancakes along see how quick that was

  40. I999 on October 31, 2021 at 10:33 am

    Converted my kitchen 20A duplex’s to a single 220V and am running a 2.4kW toaster and a 3kW kettle – breakfast is ready much much faster now!

  41. K Sut on October 31, 2021 at 10:34 am

    Don’t be sticking a screwdriver into a live panel board

  42. LisaAllen4 on October 31, 2021 at 10:34 am

    Thank you but what happens if there is another receptacle attached to the branch (located across the room)?

  43. RAMESHCHADRA PATEL on October 31, 2021 at 10:34 am

    Make sure it’s dedicated breaker for only that outlets, else will burn equipment at other outlets

  44. Edgar S on October 31, 2021 at 10:37 am

    This is only if you use 20 amps no more? the wire can get hot.

  45. Gerry Maloney on October 31, 2021 at 10:37 am

    Either pull another wire big enough gauge to run your 220 or switch or neutral to a hotline and Mark it on both ends

  46. Knowledge Born on October 31, 2021 at 10:37 am

    Would this method still work if the 240v dual pole is 30amp circuit breaker?

  47. Eric Rusch Sr on October 31, 2021 at 10:37 am

    This was super helpful.
    Thanks a bunch.
    (By the way, I subscribed.)

  48. SurBBQ on October 31, 2021 at 10:37 am

    Electric code says a split receptacle can have a 15a or 20a outlet for a 20a circuit.

  49. Scott Hucks on October 31, 2021 at 10:39 am

    Great video. Just what I was looking for!

  50. electronicsNmore on October 31, 2021 at 10:40 am

    Remember guys, what you see shown in this video is ONLY for 1 or 2 receptacles that you’d like to convert on a DEDICATED Branch Circuit. You MUST confirm that there’s nothing else on the branch circuit that you intend on modifying. The branch circuit used in this video for the demonstration was for a washing machine. You can also convert a 240V wall A/C receptacle in a room to 120V if the home no longer uses wall A/C units because the home was modernized with central air. Thanks for watching!

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