NEC / IEC

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nmichalk

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Does anyone Know the section in the NEC which allows for IEC, Zone 1 telephones to be used in Class 1, Division 1 areas?
 
Re: NEC / IEC

I don't think that there is a code section that will permit that use. 501.1 will permit the use of Class 1, Zone 0, 1 or 2 in Class 1 Division 2 areas. I don't find a rule to permit the use of "Zone" rated equipment in a Division 1 area.
Don
 
Re: NEC / IEC

No, but I did just run across a handbook commentary for 501.4(B)(3) Nonincendive Field Wiring. The comentary is "Some common telephone circuits and thermocouple circuits are also nonincendive." But this would only apply to class 1 div. 2 locations.

Steve
 
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