ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals

ECN Shout Chat
Top Posters(30 Days)
Admin 17
Recent Posts
Old decora style outlets
by Admin. 03/25/17 11:40 AM
ESA Arc flash course
by TheShockDoctors. 03/24/17 10:15 AM
fuse rejectors
by HotLine1. 03/24/17 07:53 AM
Another Forum Update
by Admin. 03/22/17 03:04 PM
Dining room plugs
by watersparkfalls. 03/21/17 10:31 PM
New in the Gallery:
SE cable question
Popular Topics(Views)
231,474 Are you busy
166,181 Re: Forum
160,635 Need opinion
Who's Online Now
1 registered members (gfretwell), 52 guests, and 14 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate This Thread
#19035 - 12/18/02 11:51 PM 208v & 240v  
Cindy  Offline
Member
Joined: Jun 2001
Posts: 196
PDX, OR, US
for working clearances do you use the 150v+ row in the 110.26 table for 208v and 240v ?


Work Gear for Electricians and the Trades

#19036 - 12/19/02 12:03 AM Re: 208v & 240v  
Nick  Offline
Member
Joined: Aug 2001
Posts: 599
Riverside, CA
No, you use 0-150V. Notice it says "nominal voltage to ground." 208 and 240V systems are 120V to ground (nominal)


#19037 - 12/19/02 09:29 AM Re: 208v & 240v  
gq  Offline
Junior Member
Joined: Dec 2002
Posts: 1
I cant beleve how many get this wrong ontests.I know sme who dont agree with Nick. can 240 go throgh you to ground?


#19038 - 12/19/02 10:34 AM Re: 208v & 240v  
resqcapt19  Offline
Member
Joined: Nov 2000
Posts: 2,148
IL
Becareful if the 240 is 120/240 4 wire delta. Then the voltage to ground is 208.
Don


Don(resqcapt19)

#19039 - 12/19/02 08:45 PM Re: 208v & 240v  
Nick  Offline
Member
Joined: Aug 2001
Posts: 599
Riverside, CA
Thanks, good point Don.



Member Spotlight
renosteinke
renosteinke
Blue Collar Country
Posts: 5,316
Joined: January 2005
Show All Member Profiles 
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box
Powered by UBB.threads™ PHP Forum Software 7.6.0
Page Time: 0.011s Queries: 14 (0.002s) Memory: 0.7639 MB (Peak: 0.9007 MB) Zlib enabled. Server Time: 2017-03-26 05:28:24 UTC