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We have a 277v lighting system with t1296 flourescent bulbs.
We have a 277v lighting system with t1296 flourescent bulbs. The ballast are the old magnetic type. Some of the ballast make a loud buzzing sound. … read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
4,414 satisfied customers
I have a bathroom lled lamp which has a 120VAC (60Hz)
Hello, I have a bathroom lled lamp which has a 120VAC (60Hz) input/18-40VDC output. I have now moved to a 220VAC (60 Hz) country and would like to keep using this lamp. I understand that I am not supp… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
4,414 satisfied customers
I would like to make a electrified wall sconce into a
I would like to make a electrified wall sconce into a wireless light versus ripping up a wall to install the sconces.… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
I disconnected an Eaton double pole,4 wire dial thermostat
I disconnected an Eaton double pole,4 wire dial thermostat for baseboard heating with plans to install a digital thermostat. That has not worked out well so I want to reinstall the old one. I do not,h… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
I have 400 water light . It can be fed by 120,240,277volts
I have 400 water light . It can be fed by 120,240,277volts by swapping plugs at the ballast . Does this reduce the higher voltages down to 120 to feed light at socket. What about start up voltage . Ar… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I have a set of sconce lights on a deck on a single switch
I have a set of sconce lights on a deck on a single switch and a electrician has installed four more lights in overhang and ran those to one of the sconces. Can I purchase a remote type switch that ca… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
4,414 satisfied customers
USA Power and Voltages. What are the standard voltages for
USA Power and Voltages. What are the standard voltages for households in USA + Canada. I've heard that it's either 110, 115 or 120 Volts Single Phase. And using the "Dual Voltage System" heavier loads… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
Steve I have some fans that are currently wired for 110v but
Steve I have some fans that are currently wired for 110v but can be rewired to run for 230 volt. Problem is I would really like to run them at 277v because the power to the building is 277/480 - 120/2… read more
Steve
Steve
Chief Engineer
9 satisfied customers
Hello, I would like to know if I connect 2 seperate wires
Hello, I would like to know if I connect 2 seperate wires from a 3ph system,each reading 120 volts (wire to ground) and 277 volts wire to wire, will I get 220 volts on the load side or will it be 277?… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
have a 15306 timer, on a 277volt lighting circuit, it was originally
have a 15306 timer, on a 277volt lighting circuit, it was originally connected to just the 277 volt circuit,does it have to have separate 120 volts to run clock motor… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I have a new welder that operates on 240 or 480. I happened
I have a new welder that operates on 240 or 480. I happened to check my shop outlet and found it to be 277 volts leg to leg. Sinse the shop is wired off the house I had supposed it to be 240 volts. Th… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
I have two outlets (right now, insulated electrical wires)
I have two outlets (right now, insulated electrical wires) for wall sconces. In the same room, I have a wall switch that's not connected to anything. I've checked connectivity: the switch and each of … read more
Electrical Doctor
Electrical Doctor
Master Electrician
Associate Degree
8 satisfied customers
I am wiring a 480 volt motor. I have a 277/480 volt panel.
I am wiring a 480 volt motor. I have a 277/480 volt panel. On the motor there is a low voltage wiring and a high voltage wiring. Do I just use the high voltage wiring diagram or do I need to change so… read more
Rich
Rich
Master Electrician
Vocational, Technical or Trade Scho
1,117 satisfied customers
I have a new nail salon, which is fed with a 277/480 system
I have a new nail salon, which is fed with a 277/480 system with a transformer to 120/208 # XXXXX 4 wire, I am having a problem with 12 gfi outlets, seperate circuits, they will set and trip with the … read more
Sir Sparks
Sir Sparks
Owner
State & UK Certified Master electri
2,519 satisfied customers
I recently acquired a 250 watt high pressure sodium light fixture.
I recently acquired a 250 watt high pressure sodium light fixture. It says on the tag that it requires 277 volts. I have 240 volt 200 amp service. Is it possible to wire this into my curent system?… read more
Rich
Rich
Master Electrician
Vocational, Technical or Trade Scho
1,117 satisfied customers
I currently own a shop with single phase 240/120 volts I have
I currently own a shop with single phase 240/120 volts I have 120 volts lights and 240 volt motors.I'm in need of 430 volt three phase power for a new compressor and welder What voltages would be best… read more
Mike
Mike
Master Electrician
Working on MBA
1,426 satisfied customers
At work we have a closet that has a bulb and a switch on the
At work we have a closet that has a bulb and a switch on the wall. I want to have an outlet put in so we can store electric wheelchairs in that closet and keep them charged. The maintainance man said … read more
Jason
Jason
Service Technician
Associate Degree
3,958 satisfied customers
In a project Im working on, the power source coming into a
In a project I'm working on, the power source coming into a commercial building is 120/208 volt, 3 phase, 4w. We purchase site lighting fixtures of 480 volt single phase. Can these work without any co… read more
Glenn
Glenn
Maintenance, Technician
Associate Degree
1,612 satisfied customers
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Meet the Experts:

Mike

Mike

Master Electrician

1,426 satisfied customers

Licensed Master Electrician - OnQ Certified Data Voice Audio Video Installer

Jason

Jason

Service Technician

3,958 satisfied customers

Over 20 years of experience in all types of installations, troubleshooting, and repairs.

Mike G.

Mike G.

Master Electrician

8,290 satisfied customers

Proven Professional 49 years Experience

Kevin

Kevin

Licensed Electrical Contractor

4,414 satisfied customers

31 years Licensed Electrical Contractor in Illinois, Adjunct College Electrical Instructor, Former Electrical Inspector, Diploma: Digital Electronics, FCC Technician License

AssuredElectrical

AssuredElectrical

Master Electrician

3,264 satisfied customers

Contractor-42+ Years in the ElectricalTrade

electrifier

electrifier

Master Electrician

1,458 satisfied customers

Electrical contractor and electrical inspector for over 24 years with phone and networking expertise

Rich

Rich

Master Electrician

1,117 satisfied customers

Over 35 years residential, commercial, industrial wiring, install, troubleshoot, service, maintain

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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