ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
VDE 0100 to introduce AFCIs
by LongRunner. 01/17/18 10:32 AM
Fujifilm Recalls Power Adapter Wall Plugs
by Admin. 01/16/18 07:04 PM
Air Compressor feeder conductor sizing
by Potseal. 01/15/18 09:08 PM
Under carpet cable?
by HotLine1. 01/15/18 09:57 AM
New in the Gallery:
Housebilding DIY wiring
SE cable question
Who's Online Now
0 registered members (), 30 guests, and 13 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
208/230 RTU----240 Supply #174193
01/28/08 10:12 PM
01/28/08 10:12 PM
R
Redsy  Offline OP
Member
Joined: Mar 2001
Posts: 2,056
Bucks County PA
Rooftop Unit Nameplate Voltage 208/230 (3-phase), system voltage 240 (3-phase).
Reefer man says it's OK.
Which voltage (208, or 230) do you use to dedermine 10% tolarance level?
I know we've been her before, but what was the final verdict.

Deja Vu?


Work Gear for Electricians and the Trades
Re: 208/230 RTU----240 Supply [Re: Redsy] #174195
01/28/08 10:50 PM
01/28/08 10:50 PM
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
You use them both ...90% of 208 for the minimum, 10% of the 230 for the max.

Re: 208/230 RTU----240 Supply [Re: Redsy] #174234
01/29/08 10:02 PM
01/29/08 10:02 PM
R
Redsy  Offline OP
Member
Joined: Mar 2001
Posts: 2,056
Bucks County PA
Thanks, Reno!

I was thinking the same thing, but I thought there was a previous link that discussed the issue.

John


Featured:

2017 Master Electrician Exam Preparation Combos
2017 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
renosteinke
renosteinke
Blue Collar Country
Posts: 5,316
Joined: January 2005
Show All Member Profiles 
Top Posters(30 Days)
sparky 23
Admin 20
Potseal 13
Popular Topics(Views)
243,527 Are you busy
180,329 Re: Forum
170,821 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.015s Queries: 15 (0.003s) Memory: 0.9492 MB (Peak: 1.0737 MB) Zlib enabled. Server Time: 2018-01-17 22:08:31 UTC