208v & 240v

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208v & 240v

#19035 12/18/02 11:51 PM

Joined: Jun 2001

Posts: 196

PDX, OR, US

C

Cindy

OP

Member

for working clearances do you use the 150v+ row in the 110.26 table for 208v and 240v ?

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Re: 208v & 240v

#19036 12/19/02 12:03 AM

Joined: Aug 2001

Posts: 599

Riverside, CA

N

Nick

Member

No, you use 0-150V. Notice it says "nominal voltage to ground." 208 and 240V systems are 120V to ground (nominal)

Re: 208v & 240v

#19037 12/19/02 09:29 AM

Joined: Dec 2002

Posts: 1

G

gq

Junior Member

I cant beleve how many get this wrong ontests.I know sme who dont agree with Nick. can 240 go throgh you to ground?

Re: 208v & 240v

#19038 12/19/02 10:34 AM

Joined: Nov 2000

Posts: 2,148

IL

R

resqcapt19 Offline

Member

Becareful if the 240 is 120/240 4 wire delta. Then the voltage to ground is 208.
Don

Don(resqcapt19)

Re: 208v & 240v

#19039 12/19/02 08:45 PM

Joined: Aug 2001

Posts: 599

Riverside, CA

N

Nick

Member

Thanks, good point Don.

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ECN Forum Forums General Topics of the Trade General Discussion Area 208v & 240v