Receptacle spacing requirements in commerical bldgs

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Glenn Becnel

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We are currently building a new control building in our refinery. The building will be occupied by refinery operations personnel, engineers, etc. on a 24-7 basis. The building contains offices, kitchen, change rooms w/showers, electrical & mechanical room.
NEC Article 210.52(A)(1) adresses the spacing of receptacles in dwelling units. I am told the "6 foot rule" does not apply in commerical bldgs. Where can I find (in the NEC) the spacing requirements of receptacles in this application?
My experience is industrial (petrochemical plants & refineries) & marine. Thanks in advance for your help.
 
Re: Receptacle spacing requirements in commerical bldgs

You do not have spacing requirements for commercial buildings. Find out where the users would like receptacles and place them in those locations. Provide receptacles in corridors every 50 feet for clean up. Provide receptacles in other areas conveniently placed for clean up where it is not convenient to access receptacles behind desks and under counters. Find out where the computers will be located and provide receptacles. Get an equipment list and provide receptacles for copiers, water coolers, etc.,
 
Re: Receptacle spacing requirements in commerical bldgs

I agree with hbendillo that the code does not require locations of receptacles as it does for dwelling places. The recommendations he gave are very good...make sure you size the branch circuits for the office computer loads wherever they have computers, rather than the typical 180VA per receptacle.
 
Re: Receptacle spacing requirements in commerical bldgs

For actual occupied office areas, go ahead & use the "6-foot residential rule".
 
Re: Receptacle spacing requirements in commerical bldgs

The actual placement of receptacles would be the responsibility of the EE that drew up the plans that were submitted to the local building for approval ;) He would do the take off specs for appliances etc.
 
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