Electrician Talk - Professional Electrical Contractors Forum
CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!
Go Back   Electrician Talk - Professional Electrical Contractors Forum > Electrical Trade Topics > Services and Service Equipment
Here is a test question for you? Here is a test question for you?
Register Electrical Photos FAQ Members List Social Groups Contractor Talk Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
Old 09-25-2009, 01:37 PM   #1
Senior Member
 
sparks134's Avatar
 
Join Date: Jan 2009
Location: Chicago
Posts: 410
Default Here is a test question for you?
A 1000-ampere service is supplied with (3), 400 kcmil
copper THWN conductors per phase. The metal water
piping system for the building is not effectively grounded.
What is the minimum size copper bonding conductor required
for bonding the metal water piping system?
A. 1/0 AWG
B. 2/0 AWG
C. 3/0 AWG
D. 400 kcmil
__________________
Its not just a job, it's a career!!!
sparks134 is online now   Reply With Quote
Join Contractor Talk

Join the #1 Electrician Forum Today - It's Totally Free!

ElectricianTalk.com - Are you a Professional Electrical Contractor? If so we invite you to join our community and see what it has to offer. Our site is specifically designed for you and it's the leading place for electricians to meet online. No homeowners asking DIY questions. Just fellow tradesmen who enjoy talking about their business, their trade, and anything else that comes up. No matter what your specialty is you'll find that ElectricianTalk.com is a great community to join. Best of all it's totally free!

Join ElectricianTalk.com - Click Here JOIN FOR FREE

Warning: The topics covered on this site include activities in which there exists the potential for serious injury or death. ElectrcianTalk.com DOES NOT guarantee the accuracy or completeness of any information contained on this site. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task!
Old 09-25-2009, 01:49 PM   #2
Senior Member
 
sparks134's Avatar
 
Join Date: Jan 2009
Location: Chicago
Posts: 410
Default
come one nobody knows????
__________________
Its not just a job, it's a career!!!
sparks134 is online now   Reply With Quote
Old 09-25-2009, 02:57 PM   #3
Senior Member
 
goose134's Avatar
 
Join Date: Nov 2007
Location: Chicago
Posts: 395
Default
My code book is at work, so I'm not going to guess.
goose134 is online now   Reply With Quote
Old 09-25-2009, 03:47 PM   #4
Senior Member
 
Join Date: Oct 2008
Location: SE Wisconsin
Posts: 161
Default
C. 2008 NEC Art 250.28 (D)(1) 12.5% of 1,200,000 is 150,000. Table 8 Chapter 9 for circ mils above 150,000 gives ya 3/0.
ralpha494 is offline   Reply With Quote
Old 09-25-2009, 05:52 PM   #5
I am a RAT.
 
william1978's Avatar
 
Join Date: Sep 2008
Location: Charlotte N.C.
Posts: 5,187
Default
I bet Low Volt Mcvolty doesn't know the answer.
william1978 is offline   Reply With Quote
Old 09-25-2009, 05:55 PM   #6
I am a RAT.
 
william1978's Avatar
 
Join Date: Sep 2008
Location: Charlotte N.C.
Posts: 5,187
Default
C.......
william1978 is offline   Reply With Quote
Old 09-25-2009, 06:53 PM   #7
Senior Member
 
sparks134's Avatar
 
Join Date: Jan 2009
Location: Chicago
Posts: 410
Default
yes answer is C. table 250.66!!!!!!1
__________________
Its not just a job, it's a career!!!
sparks134 is online now   Reply With Quote
Old 09-28-2009, 06:17 PM   #8
#6 copper fan
 
Magnettica's Avatar
 
Join Date: Jan 2007
Location: Rahway, NJ
Posts: 1,575
Send a message via Yahoo to Magnettica
Default
Quote:
Originally Posted by sparks134 View Post
yes answer is C. table 250.66!!!!!!1
That is the correct answer but don't ignore the code reference that Ralph gave.

The circular mills drill you'll need to know for exams and such.
__________________
classicelectriconline.com
Magnettica is offline   Reply With Quote
Old 09-28-2009, 06:36 PM   #9
Rat Extraordinaire
 
480sparky's Avatar
 
Join Date: Sep 2007
Location: Iowa
Posts: 6,791
Default
Darn... I missed it. Stupid work and all.........
__________________
All responses based on the 2008 National Rat Code.
480sparky is online now   Reply With Quote
Old 10-01-2009, 12:08 AM   #10
Floppy Member
 
Join Date: Jul 2009
Location: Sebring, FL
Posts: 93
Default
Stupid work, bet you won't do that again huh?
idontknow is offline   Reply With Quote
Old 10-01-2009, 12:13 AM   #11
Rat Extraordinaire
 
480sparky's Avatar
 
Join Date: Sep 2007
Location: Iowa
Posts: 6,791
Default
Quote:
Originally Posted by idontknow View Post
Stupid work, bet you won't do that again huh?

Well, these days I don't see much of it.
__________________
All responses based on the 2008 National Rat Code.
480sparky is online now   Reply With Quote
Reply

« Previous Thread | Next Thread »
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes
Linear Mode Linear Mode

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
drug test question for ibew rayelectric721 Union Topics 264 11-08-2009 11:01 AM
Question on the test Carmexx General Electrical Discussion 6 05-23-2009 09:49 PM
code test question john salyards NEC Code Forum 13 02-18-2008 09:37 AM
Aptitude test question.. Ytown-IYAOYAS General Electrical Discussion 1 09-25-2007 11:13 PM
Test question mike2105 General Electrical Discussion 6 09-18-2007 10:14 PM

Top of Page | View New Posts

All times are GMT -4. The time now is 12:06 AM.

Contact Us - Electrical Forum - Top

Electrician Talk © 2006 - 2009 The Building Network LLC

Search Engine Optimization by vBSEO 3.2.0