Electrical

Electrical Questions? Ask an Electrician Online.

Ask an Expert,
Get an Answer ASAP!

I have a 600amp breaker which at 80% the max load would be…

Customer Question
I have a 600amp...

I have a 600amp breaker which at 80% the max load would be 480amps

Contractor's Assistant: I'll do all I can to help. How long have you been dealing with this?

Can I run 4/0 THHN x 2 which comes to 520Amps

Contractor's Assistant: Do you plan on doing the work yourself?

Yes I do

Contractor's Assistant: Anything else we should know to help you best?

Not that I can think of as of know. just thinking that I can run 4/0 THHN x 2 which would handle the

Submitted: 5 months ago.Category: Electrical
Show More
Show Less
Ask Your Own Electrical Question
Answered in 37 minutes by:
3/12/2018
Electrician: George Smith, Master Electrician replied 5 months ago
George Smith
George Smith, Master Electrician
Category: Electrical
Satisfied Customers: 450
Experience: Superintendent at Electrical Solutions and Data
Verified

Thanks for counting on us to help with your electrical issue. My name is ***** ***** I look forward to helping you! Let me review your question!

Ask Your Own Electrical Question
Electrician: George Smith, Master Electrician replied 5 months ago

Is this breaker for a branch circuit or a main breaker?

Ask Your Own Electrical Question
Electrician: George Smith, Master Electrician replied 5 months ago

500-500-500-500-2/0 600 amps 2 sets of Parallels !

You have to size the feeders for the breaker!

Ask Your Own Electrical Question
Electrician: George Smith, Master Electrician replied 5 months ago

Does this answer you question?

Ask Your Own Electrical Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with an electricianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask George Smith Your Own Question
George Smith
George Smith
George Smith, Master Electrician
Category: Electrical
Satisfied Customers: 450
450 Satisfied Customers
Experience: Superintendent at Electrical Solutions and Data

George Smith is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

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

< Previous | Next >

Related Electrical Questions
What size wire will I need to install for an 800 amp
What size wire will I need to install for an 800 amp service? … read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
I recently bought a 18,000btu mini split unit. Compressor
I recently bought a 18,000btu mini split unit. Compressor load is 12.3A, minimum ampacity is 18A and max fuse is 25A. My plan was to use the existing dedicated circuit that powers the electric baseboa… read more
Mike G.
Mike G.
Master Electrician
Vocational, Technical or Trade Scho
8,290 satisfied customers
A electric kiln rated 208 8.4 KW single phase is supplied by
A electric kiln rated 208 8.4 KW single phase is supplied by a 60 ampre rated branch circuit the branch circuit it is extended using 6 AWG 2 type MC cable the conductors in the cable are copper the to… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
4,414 satisfied customers
I am doing a new build. What wire do I need for 250 ft run
I am doing a new build. What wire do I need for 250 ft run from pole to house for 200 amp service … read more
Sam I
Sam I
Electrician
B.S.
859 satisfied customers
I have an electrical panel with main breaker that reads
Second opinion] I have an electrical panel with main breaker that reads "600A, 3 phase 120/240v (delta symbol)" I need to calculate how many 6A @220v computer devices can safely run off of this electr… read more
Kevin
Kevin
Licensed Electrical Contractor
Diploma
4,414 satisfied customers
I need to wire in a 240v outlet to an 80 amp breaker 45 feet
I need to wire in a 240v outlet to an 80 amp breaker 45 feet from my main box. What size wire do I need?… read more
Steve
Steve
Chief Engineer
9 satisfied customers
I want to run THHN wire , 245 to my shop, what size do I need?
I want to run THHN wire , 245' to my shop, what size do I need? Can I use a # ***** ground wire?… read more
Jason
Jason
Service Technician
Associate Degree
3,958 satisfied customers
HI, With experienced help I will be installing a 17kw NG generic
HI, With experienced help I will be installing a 17kw NG generic generator at my home. It uses a 200 amp service rated disconnect LT switch (load shedding). I have a 150 amp service panel and a 200 am… read more
Jason
Jason
Service Technician
Associate Degree
3,958 satisfied customers
20KW Kohler generator install. Have about a 110 run. Plan
20KW Kohler generator install. Have about a 110' run. Plan was ~20ft burried to house, ~90' in house. 2 continuous conduit runs. (1) 3/4" for the control (Belden shielded twisted pair + CAT5e). (1) 1-… read more
electrifier
electrifier
Master Electrician
Bachelor's Degree
1,458 satisfied customers
what size wire to use from 20k gen. to transfer switch 50 feet
what size wire to use from 20k gen. to transfer switch 50 feet away with rating 120/240 volt and 162.6/81.3 amps… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
ELECTRICAL QUESTION: I am looking to run electric line underground
ELECTRICAL QUESTION: I am looking to run electric line underground to a new shop/garage from house meter/fuse-box on exterior wall of house, do how do I do it?… read more
AssuredElectrical
AssuredElectrical
Master Electrician
High School or GED
3,264 satisfied customers
I have a heater/ airconditioner unit hooked up to a two section
I have a heater/ airconditioner unit hooked up to a two section modular home. In the mail panel there is a dual 70 amp breaker feeding this unit. In line there are two 60 amp cartridge fuses going to … read more
Sir Sparks
Sir Sparks
Owner
State & UK Certified Master electri
2,519 satisfied customers
Im wiring a new Garage. The question is on the size of the
I'm wiring a new Garage. The question is on the size of the feeder from my house to the garage. The loads are two baseboardheaters. One is 1500 and one is 2500watts @ 240 volts. There are five 120v 2 … read more
Mike
Mike
Master Electrician
Working on MBA
1,426 satisfied customers
I am installing a 10/3 wire inside metal conduit. They are
I am installing a 10/3 wire inside metal conduit. They are not individual wires, but are all incased inside a yellow sheathing. Is this safe to do? (It's for a radiant heater pulling 28.8 amps on a 30… read more
Mike
Mike
Master Electrician
Working on MBA
1,426 satisfied customers
My question regards derating branch conductors in a conduit
My question regards derating branch conductors in a conduit if I have 21 phase conductors and 7 neutrals ( half a 42 circuit panel board ) and put them in an 1-1/4 conduit the derating is at 45%......… read more
Sir Sparks
Sir Sparks
Owner
State & UK Certified Master electri
2,519 satisfied customers
I need some thhn wire that will handle 80 amps that is the
I need some thhn wire that will handle 80 amps that is the same or smaller diameter as #6 AWG wire. Is there such an animal and what is is called and where do I get it? I also need the same thing in a… read more
Sir Sparks
Sir Sparks
Owner
State & UK Certified Master electri
2,519 satisfied customers
I have some questions relating to feeds to and from a single
I have some questions relating to feeds to and from a single phase 120/240v sub-panel. 1) What is the maximum amperage that I can draw from 180ft of 2/0 aluminium cable? 2) What is the smallest gauge … read more
electrifier
electrifier
Master Electrician
Bachelor's Degree
1,458 satisfied customers
I have aluminum service wire that appears to be over 1/2 in
I have aluminum service wire that appears to be over 1/2" in diameter and the run from the street (underground) is somewhere around 175'. What is the largest safe amperage this wire will carry?… read more
Jason
Jason
Service Technician
Associate Degree
3,958 satisfied customers
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.

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.

Show MoreShow Less

Ask Your Question

x