Electrical Question from Bruce about Installing a Wall Oven
I am installing a new wall oven with 4-wire cord that I will connect to the house 4-wire cord. Identifying the Wires for a 4-Wire Wall Oven.
Wiring a New Wall Oven
Electrical Question: I am installing a new wall oven with 4-wire cord that I will connect to the house 4-wire cord.
- The red and black hot wires look identical to the neutral white wire. I need to confirm which one was the white neutral wire, so I used a voltage meter. Two of the three wires indicated voltage, while one did not. Just to be sure, can I assume the one without voltage is the white neutral?
This electrical wiring question came from Bruce, a Homeowner, in Gig Harbor, Washington.
Thanks for your electrical wiring question Bruce.
Identifying the Wires for a 4-Wire Wall Oven
Application: Installing a 240 Volt Wall Oven.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrical Contractor or Appliance Technician.
Tools Required: Basic Electricians Pouch Hand Tools, AC Voltage Tester, a support for the oven before inserting it into the cabinet.
Estimated Time: Depends on personal level experience, ability to work with tools and connect 240 volt electrical circuit wiring.
Precaution: Identify the oven circuit at the panel, turn it OFF and Tag it with a Note before making the oven wiring connections.
Notice: When installing an additional 240 volt oven circuit the work should be done according to local and national electrical codes with a permit and be inspected.
Testing the Wires of a Wall Oven
- Testing the 240 Volt Wires
- When using an AC Voltage Tester where the test leads are connected to the two circuit power wires the display will show a 240 Volt reading.
- Testing the Neutral Wire
- When using an AC Voltage Tester where one test lead is connected to the neutral wire, and the other test lead is connected to the ground wire the display will show a 0 Volt reading.
- Testing each Circuit Power Wire
- When using an AC Voltage Tester where one test lead is connected to the neutral wire OR the Ground Wire, and the other test lead is connected to one of the circuit power wires the display will show a 120 Volt reading.
More about Electrical Wiring for a Wall Oven
Electrical Wire for the Home
Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.
Wiring Options for a Kitchen Wall Oven
Fully Described Kitchen Electric Wall Oven Installation with a typical 240 Volt electric circuit. You may find yourself with either a 3-wire or 4-wire electric oven. Lets look at how the electric wall oven is wired and the possible solutions if your oven circuit does not seem to be the same.
Understanding Digital Volt Meters
When working on home electrical wiring using voltage meter can play an important part in electrical safety. Electrical testers and voltage meters enable you to identify electrical circuits and help prevent the possibility of accidental electrical shock.
How to Use an Electrical Tester
Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
Why is the Circuit Breaker for my Lights Tripping Off?Jerry asks: I have 3 ceiling lights in one room with two light switches. they have been working fine for 18 years in an 18 year old home. the single breaker feeds 5 other ceiling lights and nothing else. all of a sudden, we noticed none of the 6 ceiling lights were working. the 15amp breaker was tripped and could not be reset. first, I replaced the breaker with a new breaker. then, I replaced both light switches. the lead wire from the breaker goes directly to the first of the two light switches to turn on the 3 ceiling lights. if breaker will not reset if the first light switch is turned on. the breaker will reset if the first light swith is turned off, then all ceiling lights work including the second light switch to the 3 ceiling lights. then, if the first light switch is turned on, the breaker trips. is it possible the one of the ceiling lights is the problem even though all 3 ceiling lights work?
Jerry, From what you have described, if the breaker trips only when a certain switch is turned on, but everything operates normally when the switch is off, then there is a problem ether with the light switch, or the wiring between the light switch and a light fixture.
How can I Wire this Switch for my Air Compressor?Wayne asks:
I am wiring my 240volt air compressor using 10/3 to a lighted 30 amp switch to place by exit door to turn off when im away.
My question is: when I wire the switch I will have essentially two hots, do I place both the black and red on one screw and the black and red on the other?
Also its the lighted Leviton 3032-plr, a lot of the comments say I need to use the neutral to operate the light.
I dont know what to do with that.
Thanks for your help.
Wayne, The Leviton 3032-plr switch that you have described is for 120volt applications and will not work on a 240volt circuit.
A typical 240 volt air compressor requires two hots and a ground wire.
A neutral wire is not required.
A 120volt lighted control switch could be wired as an add on control circuit, however this would require a separate 120volt control circuit, a 120volt lighted switch, and a 120volt control relay with 240volt contacts rated for 30amps.
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