________________________________________________________________
14-97 Log #2476 NEC-P14 Final Action: Accept in Principle
(502.145)
________________________________________________________________
Submitter: Donald W. Ankele, Underwriters Laboratories Inc.
Recommendation: Revise text to read as follows:
502.145 Receptacles and Attachment Plugs.
(A) Class II, Division 1. In Class II, Division 1 locations, premises wiring
receptacles and the utilization equipment attachment plugs shall be of the type
providing for connection to the equipment grounding conductor of the flexible
cord and shall be identified for Class II locations.
(B) Class II, Division 2. In Class II, Division 2 locations, premises wiring
receptacles and the utilization equipment attachment plugs shall be of the type
that provides for connection to the equipment grounding conductor of the
flexible cord and shall be designed so that connection to the supply circuit
cannot be made or broken while live parts are exposed.
Substantiation: Revise to make clear that the receptacle is part of the premises
wiring and that the attachment plug is part of the utilization equipment. There
have been several instances of confusion regarding these Code requirements
with respect to cord being supplied with a plug for connection to receptacle on
the utilization equipment. Such a construction present and arcing hazard and
the potential for exposed live parts within the classified location.
Panel Meeting Action: Accept in Principle
Revise text to read as follows:
502.145 Receptacles and Attachment Plugs. Receptacles and attachment
plugs shall be identified for the location.
(A) Class II, Division 1.
(1) Receptacles. In Class II, Division 1 locations, receptacles shall be part of
the premises wiring.
(2) Attachment Plugs. and aAttachment plugs shall be of the type providing
for connection to the equipment grounding conductor of the flexible cord and
shall be identified for Class II locations.
(B) Class II, Division 2.
(1) Receptacles. In Class II, Division 2 locations, receptacles shall be part of
the premises wiring.
(2) Attachment Plugs. and aAttachment plugs shall be of the type that
provides for connection to the equipment grounding conductor of the flexible
cord. and shall be designed so that connection to the supply circuit cannot be
made or broken while live parts are exposed.
Panel Statement: The revised wording meets the intent of the submitter and
provides more clarity.
Number Eligible to Vote: 15
Ballot Results: Affirmative: 15