UL 514A

This new edition of the Standard for Metallic Outlet Boxes, UL 514A, is harmonized with ANCE and CSA as a result of UL’s Bulletins on this subject dated May 24, 2002 and November 18, 2003. The title page reflects the January 22, 2004 ANSI recognition of this new edition of the Standard.

1.1 This standard applies to metallic OUTLET BOXES, flush-DEVICE BOXES, FLOOR BOXES, CONCRETE BOXES, EXTENSION RINGS, covers, CONDUIT BODIES, BAR HANGERS, bar-hanger assemblies, and all accessories whose principal function is for support of boxes. The products covered by this standard are intended for installation in accordance with the National Electrical Code (NEC), NFPA 70, the Canadian Electrical Code (CEC), Part I, and the Standard for Electrical Installations, NOM-001-SEDE.In Canada, CONDUIT BODIES are not evaluated as OUTLET BOXES; they are fittings. Requirements in this standard for CONDUIT BODIES intended for use as OUTLET BOXES do not apply in Canada.

1.2 This standard also applies to marine application metallic OUTLET BOXES, flush-DEVICE BOXES, special purpose boxes, EXTENSION RINGS, and covers.

1.3 This standard also applies to marine products intended for installation in accordance with the manufacturer’s instructions and the applicable requirements of the United States Coast Guard (USCG), IEEE Recommended Practice for Electric Installation on Shipboard, IEEE Standard 45; the American Boat and Yacht Council (ABYC); the Standard for Pleasure and Commercial Motor Craft, NFPA 302; and the Canadian Electrical Code (CEC), Part I.

1.4 This standard does not apply to cabinets and cutout boxes, boxes, and covers intended for use with raceway systems for surface wiring other than rigid or flexible conduit or electrical metallic tubing. This standard does not apply to boxes having a volume of more than 1640 cm3 (100 in3), other than multiple-gang boxes, flush-DEVICE BOXES, and CONDUIT BODIES intended for the larger trade sizes of conduit.

1.5 This standard does not apply to cover plates for flush-mounted wiring devices.

1.6 This standard does not apply to OUTLET BOXES or OUTLET BOX covers for use in hazardous (classified) locations as defined in the National Electrical Code (NEC), NFPA 70, the rules of the Canadian Electrical Code (CEC), Part I, and the Standard for Electrical Installations, NOM-001-SEDE.

By order of the publisher, historical UL documents are not returnable for any reason. Once you place an order for an historical document, we cannot issue a refund, credit, or exchange of any kind.

T514A.9-A These requirements cover metallic outlet boxes, flush-device boxes, floor boxes, concrete boxes, extension rings, covers, flush-device cover plates, conduit bodies, bar hangers, and bar-hanger assemblies to be employed in accordance with the National Electrical Code, NFPA 70.

T514A.9-A These requirements do not cover outlet boxes or covers for use in hazardous locations as defined in the National Electrical Code, NFPA 70.

T514A.9-A These requirements do not cover junction boxes for use with underwater lighting fixtures for swimming pools.

T514A.9-A These requirements do not cover cabinets and cutout boxes, boxes and covers intended for use with raceway systems for surface wiring other than rigid or flexible conduit or electrical metallic tubing, nor boxes with a volume of more than 100 cubic inches (1639 cm3), except multiple-gang, flush-device boxes, and conduit bodies usually for the larger trade sizes of conduit.

T514A.9-A A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.