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#19035 - 12/18/02 07:51 PM 208v & 240v
Cindy Offline
Member
Registered: 06/23/01
Posts: 196
Loc: PDX, OR, US
for working clearances do you use the 150v+ row in the 110.26 table for 208v and 240v ?
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#19036 - 12/18/02 08:03 PM Re: 208v & 240v
Nick Offline
Member
Registered: 08/13/01
Posts: 603
Loc: Riverside, CA
No, you use 0-150V. Notice it says "nominal voltage to ground." 208 and 240V systems are 120V to ground (nominal)
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#19037 - 12/19/02 05:29 AM Re: 208v & 240v
gq Offline
Junior Member
Registered: 12/19/02
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?
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#19038 - 12/19/02 06:34 AM Re: 208v & 240v
resqcapt19 Offline
Member
Registered: 11/10/00
Posts: 2209
Loc: IL
Becareful if the 240 is 120/240 4 wire delta. Then the voltage to ground is 208.
Don
_________________________
Don(resqcapt19)
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#19039 - 12/19/02 04:45 PM Re: 208v & 240v
Nick Offline
Member
Registered: 08/13/01
Posts: 603
Loc: Riverside, CA
Thanks, good point Don.
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