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I have a question regarding electric service setup. I have a
I have a question regarding electric service setup. I have a single phase service on my pole. Looking to upgrade to three phase. Can I get 480v off the same transformer, or does the utility need to up… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I have 480v 3 phase I want to set it down to 240v single
I have 480v 3 phase I want to set it down to 240v single phase. I am grabbing 2 legs of power and stepping it down.… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I want to change a water heater but it's a 3 phase 480v and
I want to change a water heater but it's a 3 phase 480v and want to install a 240v water heater how do I hook up the wires… read more
Sam I
Sam I
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B.S.
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I have 12 new Leviton series 2000 480 volt 3 phase 4 wire
I have 12 new Leviton series 2000 480 volt 3 phase 4 wire kilowatt hour meters. Is there any way to make them work accurately on a 480 volt 3 phase delta system without the neutral. Or can I get a neu… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I am a novice (at best) at industrial power (my factory has
I am a novice (at best) at industrial power (my factory has a few questions), we of course will hire the needed people when we finally launch our product..... but until then it's me. We are bring a ne… read more
Steve G.
Steve G.
Chief Engineer
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I'm looking at purchasing a commercial grade stove (range)
I'm looking at purchasing a commercial grade stove (range) for my commercial kitchen. It's listed as 3 Phase but my commercial kitchen is my renovated garage...I don't have 3 Phase...is it that 220 wo… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I have a 3 phase power source with 480V on the Primary but
I have a 3 phase power source with 480V on the Primary but want to step it down to single phase, with a 200 amp and 300 amp box together and with just a single 200 amp box.. What size Kv/A transformer… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I have a fostoria model 1548-3e heater.it is three phase.Is
I have a fostoria model 1548-3e heater.it is three phase.Is it possible to convert it to single phase.… read more
Steve G.
Steve G.
Chief Engineer
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How to wire a 480v 3phase transformer to 240/120v panel with
How to wire a 480v 3phase transformer to 240/120v panel with neutral. It has H1,H2,H3 lugs on the high side and x1,x2,x3,x4 on low side. x4 is a mid tap. it is a MIDWEST 30KVA 9T83W3842… read more
Dr. Fix-It
Dr. Fix-It
Technical Lead
369 satisfied customers
I am in the data collection phase of an arc flash hazard survey
I am in the data collection phase of an arc flash hazard survey at my company. All of our equipment, including the main service switchgear is Westinghouse. Can someone explain the nameplate data to me… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
Entering the building there is 1200A switch gear There will
Entering the building there is 1200A switch gear There will be 120/240V panels, 277V panel & 460V panel - total line 943A What size of transformers will be needed?… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
For a 75kva transformer, 480 step down to a 240/120v, how would
For a 75kva transformer, 480 step down to a 240/120v, how would I size the primary and secondary conductors.… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
Ill be in a location (Chile) that has 318V 50Hz power available.
I'll be in a location (Chile) that has 318V 50Hz power available. The equipment I'll have requires 480V 60Hz 3 phase or 120V 60Hz single phase. Please specify a transformer and wiring for converting p… read more
Sir Sparks
Sir Sparks
Owner
State & UK Certified Master electri
2,519 satisfied customers
I have 480 3 phase shop voltage and I have a transformer that
I have 480 3 phase shop voltage and I have a transformer that I want to use to get 120 VAC single phase. Do I wire up the transformer using two of the 480VAC legs on the primary side and then on the s… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
i have 3 15kva single phase transformers rated 480v- 120/240,
i have 3 15kva single phase transformers rated 480v- 120/240, what will i do to produce 3 phase 220 volts? what connection will i do?… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I have 480 volt 3 phase power that I need to connect to a portable
I have 480 volt 3 phase power that I need to connect to a portable building. I need a 200 amp 3 phase fusable disconnect on the exterior of the building. From there I plan to enter a 480 volt 3 plase … read more
Sir Sparks
Sir Sparks
Owner
State & UK Certified Master electri
2,519 satisfied customers
I have a 50kv transformer 480v primary 240v secondary, single
I have a 50kv transformer 480v primary 240v secondary, single phase. I'm using it to feed a 100amp panel. What size 480v. breaker should I use to feed the transformer? How do I figure this out?… read more
Joseph
Joseph
743 satisfied customers
What voltage is used for the following 1) Domestic ...
What voltage is used for the following: 1) Domestic electricity supply 2) Commercial/industrial electricity supply. Also why is there a difference between these types of supply?… read more
Paul
Paul
Owner
Vocational, Technical or Trade Scho
799 satisfied customers
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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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