300 V vs 600V NMB romax's

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hello guys and ladies :

i have pretty instering question from Cananda electrcal code fourm and will like to know about the romax's rating in usa why was marked for 600 volts max compared to Cananda's NMD 300V ( same as NM-B romax's) and per nec what do allow it and what dont allow it and just a quick summary i did try to find it in nec but only got few not much so i wondering if you can help me to relay this message to my freind in cananda code forum ??


thanks you for your time

merci, marc

[ November 20, 2003, 12:03 AM: Message edited by: frenchelectrican ]
 
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