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Ok so I have job it has existing 400 amp fused disconnect
Ok so I have job it has existing 400 amp fused disconnect with double barrel Outside And 125 main lug on the other side indoor And 250 main lug about 100ft away My question is this allowed and what do… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
Doing a remodel that requires the meter to move to opposite
Doing a remodel that requires the meter to move to opposite side of house so new meter socket feeding QO 200 Amp 8-Space 16-Circuit Outdoor Main Breaker Load Center with Feed-Thru Lug. In the house I … read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
I have a main panel and a sub panel on a different building.
I have a main panel and a sub panel on a different building. Both ends have a 125 amp circuit breaker. Is it necessary for both ends? … read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
FOR ONLY** whats up, hows life? Wondering about how/if its
FOR KEVIN ONLY** Hey whats up Kevin, hows life? Wondering about how/if its possible to power 2 subs off one #2 feeder wire? Would it run to one sub then out to the next or could i run it up to the flo… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
Ok I'm doing a 400 amp fused service in parallel then going
Ok I'm doing a 400 amp fused service in parallel then going to two 200 amp panels my question is from my load side can I split my parallel service to each panel or am I required to do a tap also can u… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
9,336 satisfied customers
I'm getting higher voltage from hot to ground. Than hot to
I'm getting higher voltage from hot to ground. Than hot to neutral … read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
I'm trying to figure out how many amps can I run from an 75
I'm trying to figure out how many amps can I run from an 75 kva floor transformer working from a 480v 3 phase feed line to a load on 208/110v… read more
Sam I
Sam I
Electrician
B.S.
1,706 satisfied customers
A 120/208 step up transformer to 480/277 I only need a
A 120/208 step up transformer to 480/277 I only need a neutral for my 120 208 primary? … read more
Sam I
Sam I
Electrician
B.S.
1,706 satisfied customers
Is this considered a sup-panel? Underground service enters
Is this considered a sup-panel? Underground service enters detached garage, moves through this box and then goes inside to main panel. It reminds me of daisy-chaining speakers on stage- First pic gara… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
We have 208 3 phase power in our shop and the breakers to
We have 208 3 phase power in our shop and the breakers to the compressor and three 20 amp breakers are popping. The three are all popping at the same time and at the top of the breaker box as well as … read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
9,336 satisfied customers
I have a 4 circuit main lug panel converted to a main breaker
I have a 4 circuit main lug panel converted to a main breaker system via a backfed breaker. There are no conductors wired to the lugs on this panel is it safe to wire another main lug panel of equal s… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
Are you available? Im a noob and would like to be conversant
Are you available? I'm a noob and would like to be conversant when talking to possible contractors about new service to a workshop… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
5,875 satisfied customers
existing 480/277v 208/120 800amp service customer wants 480/240
existing 480/277v 208/120 800amp service customer wants 480/240 150kva transformer feeding 300a 240/120 panel any problems with this? what will the primary secondary wire size… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
9,336 satisfied customers
I am preparing to purchase equipment to power a warehouse.
I am preparing to purchase equipment to power a warehouse. I have a utility supplied outdoor tansformer 13,200 volt 480 Y /277 3ph that goes to an outdoor distribution box and outdoor wall mounted rac… read more
Joseph
Joseph
743 satisfied customers
they are going to set a 75kva transformer 300 or less from
they are going to set a 75kva transformer 300' or less from the mdp breaker ,it is 480v primary 3phase that is going to feed, 3 tied together modular buildings each with 100 amp 3 phase panels ,what s… read more
electrifier
electrifier
Master Electrician
Bachelor's Degree
1,458 satisfied customers
What I have I am upgrading my service distribution panel
What I have: I am upgrading my service distribution panel in Maitland, Florida from 125a to 200a. Code is 2008 NEC. Service to the meter is 3-phase 4-wire delta 120/208/240. I currently have a 3-phase… read more
electrifier
electrifier
Master Electrician
Bachelor's Degree
1,458 satisfied customers
I have a customer supplying equipment for an E-house and I
I have a customer supplying equipment for an E-house and I am unsure about these two systems. I have a 20kVA GE SG-Series UPS feeding a 30kVA SQD 480:208/120 Transformer, which feeds their 208/120V SQ… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
9,336 satisfied customers
I installed a new service for a commercial bay, 480v/277v feeding
I installed a new service for a commercial bay, 480v/277v feeding a transformer stepping down to 120/208. It has been working for a month and a half and now al of a sudden the 200 amp main breaker on … read more
Jason
Jason
Service Technician
Associate Degree
4,220 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

4,220 satisfied customers

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

Mike G.

Mike G.

Master Electrician

9,336 satisfied customers

Proven Professional 49 years Experience

Kevin

Kevin

Licensed Electrical Contractor

5,875 satisfied customers

32 years Licensed Electrical Contractor in Illinois, Adjunct College Electrical Instructor, Former Electrical Inspector, Diploma: Digital Electronics, FCC Amateur & Commercial Radio Licenses

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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