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Answer for USA, Canada and other countries running a 60 Hz supply service.

Stop! What...? Don't try to do that...!

Don't make a cable with the intention of plugging a generator into an outlet in your house, it is incredibly dangerous!

Power from your generator will back-feed into the power lines, posing a severe unexpected shock hazard to any line-workers who may be fixing the lines - the very same reason you are wanting to use your generator!

Plug your appliances directly into the outlets on your generator. If you want to power the outlets in your house from the generator you must do it right and install a proper 'generator transfer switch' at the main incoming breaker panel which is situated where the main electricity service cable comes into your house.

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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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11y ago

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You are wanting to power your RV with your generator The RV uses 30 amp 3 prong your generator plug that is 30 amp is 4 prong Can you do this?

Go to this site http://www.generatorjoe.net/html/nemaplugs.html and tell me what configurations you have and I might be able to help you.


If you can change a 4-wire to a 3-wire 240V outlet circuit then what was the purpose of having a 4-wire box in place to begin with?

== == You are not allowed to change a four-wire outlet to a three wire outlet.You can change a four wire cord to a three wire cord.That is VERY different! === === I have answered this question at least 6 times. The 4 wire plug has a neutral and the 3 does not. An untrained homeowner who does their own plumbing can flood the house with water or sewage, on the other hand electricity can kill instantly. I wouldn't want to gamble my family's lives on my incompetence. 3 wire plugs are old and outdated. Way back in the old days they didn't ground equipment so plugs didn't have a ground. (Remember the old 2 wire 110V outlets on houses built before the 50s?) A few people got killed so they decided to add a safety wire. It took them longer to catch on with heavy appliances, but eventually they did. That it what the fourth pin is. Since many homes still have the 3 wire plug it is allowed in older homes. New homes must use the new 4 wire plug. Changing your 4 wire cord to a 3 wire cord is the same as plugging a 3 wire 120V appliance into one of those 3 prong to two prong adapters they sell. Your appliance works now, but is ungrounded. Don't listen to anyone who says to replace the new up-to-code plug with an older plug. That is the same as replacing your 3 prong 120V outlets with old two prong outlets! Ignore anyone who tells you to do so, they think they know a lot more than they actually do. Buy a new cord. It is cheap and safer. IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.If you do this work yourself, always turn off the powerat the breaker box/fuse panel BEFORE you attempt to do any work ANDalways use an electrician's test meter having metal-tipped probes(not a simple proximity voltage indicator)to insure the circuit is, in fact, de-energized.


Are there 3 prong to 4 prong adapters for driers?

No, and adapters are not needed. What needs to be done in remove the old three blade dryer plug and install a new four blade cord on the dryer.Dryer plug three to fourInstructions should come with the new cord. Open up the electrical access panel on the back of the dryer. You will see a terminal block with three wires going into it from the plug cord assembly. A red and black and white are now connected to the terminal strip. Look at the position and colours of the existing 3 prong cord and how it is connected. Make a diagram. Coloured wires on the outside terminals white in the center. From the center wire terminal you will see a jumper strap that goes to the frame of the dryer. When installing the four prong plug this jumper is removed completely. The kit should have with it a grounding lug that connects to where the removed grounding strip attached to the frame of the dryer. This is the attachment point for the fourth green ground wire from the new dryer cord assembly.


What do the letters stand for on a 4 prong plug?

On a 240 volt outlet, such as a dryer outlet: G is Ground, W is Neutral, X and Y are the two Hot legs.


When wiring 4 prong plug for 220 has W X G and Y what goes into the X and Y?

On a 240 volt outlet, such as a dryer outlet: G is Ground, W is Neutral, X and Y are the two Hot legs.

Related Questions

What is the correct wiring diagram for a 4 prong generator plug?

The correct wiring diagram for a 4 prong generator plug includes connecting the black and red wires to the hot terminals, the white wire to the neutral terminal, and the green wire to the ground terminal. Make sure to follow the manufacturer's instructions and consult a professional if needed.


What type of electrical outlet is required for a 4 prong generator plug to be safely connected?

A 4 prong generator plug requires a 240-volt outlet with four slots to be safely connected.


What is the recommended type of cord for a 4 prong 30 amp generator?

The recommended type of cord for a 4 prong 30 amp generator is a 10-gauge, 4-wire cord.


What is the purpose of using a 4 prong to 3 prong adapter and how does it work to convert the electrical connection?

The purpose of using a 4 prong to 3 prong adapter is to allow a 4 prong plug to be connected to a 3 prong outlet. The adapter works by connecting the grounding wire from the 4 prong plug to the neutral wire in the 3 prong outlet, ensuring that the electrical connection is safe and functional.


What are the specifications for a generator cord that is 30 amp and 4 prong?

A 30 amp, 4-prong generator cord typically has a NEMA L14-30 plug and receptacle, with a maximum voltage of 250V. The cord should be at least 10-12 gauge wire and have a length suitable for the distance between the generator and the power source.


Can you use 3 prong welder with a 4 prong plug on generator?

Yes, you can use a 3-prong welder with a 4-prong plug on a generator, but you'll need to ensure that the generator's output matches the welder's voltage and amperage requirements. You may need to adapt the 4-prong outlet to accommodate the 3-prong plug, ensuring that the ground connection is properly maintained for safety. Always follow electrical safety guidelines and consult the equipment manuals for compatibility before making any connections.


What are the differences between a 3 prong and a 4 prong dryer plug, and which one is more suitable for modern electrical systems?

The main difference between a 3 prong and a 4 prong dryer plug is the grounding wire. A 4 prong plug includes a dedicated grounding wire, providing better safety and reducing the risk of electrical shock. Modern electrical systems are designed to accommodate 4 prong dryer plugs, making them more suitable for use in today's homes.


What are the differences between a 4 prong and a 3 prong dryer plug, and which one is more suitable for modern electrical systems?

The main difference between a 4 prong and a 3 prong dryer plug is the presence of a ground wire in the 4 prong plug, which provides better safety by grounding the appliance. The 4 prong plug is more suitable for modern electrical systems as it meets current safety standards and reduces the risk of electrical hazards.


How to wire a 3 prong plug with 4 wires correctly?

To wire a 3-prong plug with 4 wires correctly, you will need to connect the green wire to the ground terminal, the white wire to the neutral terminal, the black wire to the hot terminal, and the red wire to the second hot terminal. Make sure to follow the specific instructions provided with the plug and consult a professional if needed.


What are the different sizes for plugs on a US dryer?

US dryers commonly use a 3-prong or 4-prong plug. The 3-prong plug has two flat blades (hot) and a L-shaped prong (neutral), while the 4-prong plug has two flat blades (hot), a round prong (neutral), and a half-round prong (ground). It's important to match the plug with the corresponding outlet for safety and proper functionality.


How to wire a 4 prong plug with only 3 wires?

To wire a 4-prong plug with only 3 wires, you will need to connect the green wire to the ground terminal, the white wire to the neutral terminal, and the black or red wire to either of the hot terminals. Make sure to follow the manufacturer's instructions and consult a professional if needed.


What is the recommended type of cord for connecting a generator to a power source, specifically a 30 amp 4 prong generator cord?

The recommended type of cord for connecting a 30 amp 4 prong generator to a power source is a heavy-duty, outdoor-rated extension cord that is specifically designed for generators. Make sure the cord is rated for at least 30 amps and has a 4 prong plug to match the generator's outlet.