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-   -   Questions about service entrance (http://www.diychatroom.com/f18/questions-about-service-entrance-96069/)

maple_john 02-21-2011 09:29 AM

Questions about service entrance
 
  1. What is most common service size?
  2. What are most common mistakes you have made on the service entrance/panel?
  3. What problems should I watch out for?
  4. Can you run overhead wires accross roofs in your area? If so, under what conditions?
  5. Are there any 120 services in your area?
  6. Are there any 400 amp services in your area?
  7. Are there any 30 amp services in your area?
  8. What safety tips can you offer?
  9. How do you decide whether your electrical service is adequate?
  10. How far does a mast have to extend above the roofline?
  11. At what height should the service wires be above the ground?
  12. How high should the drip loop be above the ground?
  13. When changing a blown main fuse in a service box, what steps should you take?
  14. How do you identify the size of the service?

secutanudu 02-21-2011 10:03 AM

It might help if you explain what exactly the project is that you're working on.

These sound like test questions...

Sfeyelectric 02-21-2011 10:10 AM

Quote:

Originally Posted by secutanudu (Post 595034)
It might help if you explain what exactly the project is that you're working on.

These sound like test questions...

Yeah i think someone is looking for homework answers!

hhuggles 02-21-2011 01:42 PM

I think someone is considering doing his own service.
What area are you in?
In Ontario the minimum service is 100A on a residential home.

You will find most of your questions answered in the code book.

Saturday Cowboy 02-22-2011 12:26 AM

http://i979.photobucket.com/albums/a...ellowpages.jpg

bluebird5 02-22-2011 12:34 AM

sounds dangerous that you have no idea about anything. please do not attempt whatever it is you are doing without an electrician. try to pay one hourly and assist to make things go quicker

Speedy Petey 02-22-2011 05:51 AM

Quote:

Originally Posted by maple_john (Post 595009)
  1. What is most common service size?
  2. What are most common mistakes you have made on the service entrance/panel?
  3. What problems should I watch out for?
  4. Can you run overhead wires accross roofs in your area? If so, under what conditions?
  5. Are there any 120 services in your area?
  6. Are there any 400 amp services in your area?
  7. Are there any 30 amp services in your area?
  8. What safety tips can you offer?
  9. How do you decide whether your electrical service is adequate?
  10. How far does a mast have to extend above the roofline?
  11. At what height should the service wires be above the ground?
  12. How high should the drip loop be above the ground?
  13. When changing a blown main fuse in a service box, what steps should you take?
  14. How do you identify the size of the service?

Do you SERIOUSLY want us to flat out answer 14 extremely vague questions like that???

OK, I'll try:

1. Today? 200A
2. Me? None. I am experienced and educated enough to not make mistakes on such simple work.
3. Unlimited problems. If you know what you are doing these problems almost go away.
4. Yes. I will not elaborate further. Go get a code book for the answer.
5. Yes.
6. Yes.
7. Yes.
8. The safest thing is to hire someone qualified and experienced.
9. Load calculation and experience.
10. That's also in the code book.
11. Ditto
12. Ditto
13. Be careful.
14. Several factors. Entrance cable size, meter pan rating, panel size and rating, etc.

How'd I do? What's my grade?

Speedy Petey 02-22-2011 05:52 AM

Quote:

Originally Posted by bluebird5 (Post 595489)
try to pay one hourly and assist to make things go quicker

HAHAHAHAHAHA :laughing:

Sure, I'd do that. :laughing: :laughing:





:no:

a7ecorsair 02-22-2011 08:26 AM

  1. What is most common service size?

Quote:

Originally Posted by Speedy Petey (Post 595520)

1. Today? 200A

Are you sure? Nothing stating whether new or existing service.:laughing:
I thing the OP is planning on walking through the south side of Chicago and knocking on all door and taking a survey, that way he can support his answer if he fails the test:whistling2:

Saturday Cowboy 02-22-2011 12:16 PM

Quote:

Originally Posted by Speedy Petey (Post 595520)
How'd I do? What's my grade?


Thanks Petey:laughing::thumbup:

hhuggles 02-23-2011 07:55 AM

Maple John has not posted since the orig post.

I am interested to know if he got what he was looking for.

And of course to know that he is one that appreciates the help of others.

Speedy Petey 02-23-2011 07:07 PM

Quote:

Originally Posted by hhuggles (Post 596335)
Maple John has not posted since the orig post.

I am interested to know if he got what he was looking for.

And of course to know that he is one that appreciates the help of others.

HA! Don't hold your breath. :no:

frenchelectrican 02-24-2011 01:59 AM

Quote:

Originally Posted by maple_john (Post 595009)
  1. What is most common service size?
  2. What are most common mistakes you have made on the service entrance/panel?
  3. What problems should I watch out for?
  4. Can you run overhead wires accross roofs in your area? If so, under what conditions?
  5. Are there any 120 services in your area?
  6. Are there any 400 amp services in your area?
  7. Are there any 30 amp services in your area?
  8. What safety tips can you offer?
  9. How do you decide whether your electrical service is adequate?
  10. How far does a mast have to extend above the roofline?
  11. At what height should the service wires be above the ground?
  12. How high should the drip loop be above the ground?
  13. When changing a blown main fuse in a service box, what steps should you take?
  14. How do you identify the size of the service?

I will try to answer that question however I will throw both Americian and French verison in the mix so it will get ya off guard with it

1) 200 A is most common for upgrading service but exsting 60/100/200 in USA side in France it will varies from 32 amp all the way to 360 A service { the voltage will be diffrent than what the states will have }

2) I don't useally make any mistake on that one due I always double , triple check it all the time.

3) Just about anything can go wrong so prepare for it and know how to deal with it properly it is not a issue as long you plan it ahead with it.

4) Oui it can but the NEC or CEF or POCO regulations will trump it so it will varies a bit depending on POCO and type of code you have to use.

5) Oui we do have few 120 volts 30 amp service but it getting rare ditto in France we have couple old 127 volts 16 /24 amp service left

6) Oui quite few in my area in USA side both single and triphase and few 360 amp service in France { very limited on this one }

7) Oui., both in USA and France { 32 amp }

8) The best answer is get someone who is qualifed and experncie with this.

9) Load caluation and experince { this part you will NOT skim on this matter }

10) it will be in Electrical code book and POCO regulations

11) look at #10 answer

12) look at #10 answer

13) very carefull

14) Few ways one is service entrance conductor size , Meter socket size , panel size and few others { too many to list }

Merci.
Marc

maple_john 02-28-2011 06:40 PM

I am training to be a home inspector and these were questions we were supposed to ask an electrician.

maple_john 02-28-2011 06:43 PM

I'm sorry to see that the questions of someone trying to get help to complete an assignment are so amusing.


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