N5/15HG-SJT3X16-C13/10' BLACK North American Color code. Hospital Grade Power Cord. Mega’s North American power cord range conforms to NEMA standards. Their extensive offering of cord sets, for use with medical and dental equipment is compliant with the guidelines defined by UL 544. These Hospital Grade NEMA plugs meet the standard testing requirements under UL and CSA, and are tested under UL 817.