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Can class 8502,8536,8702,8736,8539, 8538,8739, and 8738 starters in NEMA 12 enclosures be modified for use in NEMA 3 R applications?

Issue:
Can class 8502,8536,8702,8736,8539, 8538,8739, and 8738 starters in NEMA 12 enclosures be modified for use in NEMA 3 R applications?

Product Line:
NEMA contactors and starters

Environment:
 8502,8536,8702,8736,8539, 8538,8739, and 8738

Cause:
Enclosure modifications

Resolution:
Yes, NEMA 12 enclosures can be field modified for 3R applications by: (1) adding watertight conduit hubs or equivalent provisions for watertight connection at the conduit entrance when entrance is at a level higher than the lowest live part. (2) Adding two drain holes 1/8`` diameter to the bottom of the enclosure. Any product listed as NEMA 12/3R may be field modified with no affect to the UL Listing.


 
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