User: ammklq143, Location: Iowa
Asked on: Thursday, April 7, 2011 at 4:59 pm EDT
Answered on: Tuesday, May 14, 2024 at 3:55 am EDT
Question: I am bidding a machine shed for a farmer. He's going to have a drain and water hookups on each wall. The shed is 60 x 90 feet. I bid the shed with GFCI's along all of the walls, but another contractor had quite a few non GFCI receptacles on his bid. I would think this structure would call for all GFCI's. What is the proper way to do this? Am I missing something?
National Electrical Code (NEC) Requirements for GFCI Protection in Machine Sheds
According to the NEC, all 120-volt, 15- and 20-ampere receptacles installed in the following locations must be GFCI-protected: Outdoor locations Unfinished basements Crawl spaces Garages Workshops
Machine sheds are considered workshops under the NEC definition. Therefore, all 120-volt receptacles in a machine shed must be GFCI-protected.
Exceptions
There are a few exceptions to the GFCI requirement for workshops: Dedicated outlets for permanently connected equipment (e.g., welding machines, table saws)* Outlets used for temporary or infrequent use (e.g., power tools used occasionally)If the farmer intends to use any of these specific exceptions, they should be clearly identified on the bid.
Conclusion
Based on the NEC requirements, all 120-volt receptacles in the proposed machine shed should be GFCI-protected. The other contractor's bid may not be compliant with the code if it includes non-GFCI receptacles on the walls. Flag for review