550 – Mobile Homes, Manufactured Homes, and Mobile Home Parks

550.13(B) – GFCI Protection at Mobile and Manufactured Homes

Change at a Glance:

Language was revised to include 210.8(A), which will provide GFCI protection to those additional locations at a dwelling covered in 210.8(A) for a mobile or manufactured home such as a detached garage. Revision also eliminates GFCI protection for receptacles rated above 125-volt, single-phase, 20-ampere (240- volt and 3-phase receptacles).

550.13 Receptacle Outlets. (Mobile and Manufactured Homes)

(B) Ground-Fault Circuit-Interrupters (GFCI). All 125-volt, single-phase, 15- and 20-ampere receptacle outlets installed in the locations specified in 550.13(B)(1) through (5) shall have GFCI protection for personnel. Ground-fault circuit-interrupter protection shall be provided as required in 210.8(A). GFCI protection shall not be required for other than 125-volt, 15- and 20-ampere receptacles installed within a mobile or manufactured home in the following areas:
(1) Outdoors, including Compartments accessible from outside the unit
(2) Bathrooms, including receptacles in luminaires
(3) Kitchens, where receptacles are installed to serve countertop surfaces
(4) Sinks, where receptacles are installed within 1.8 m (6 ft) of the outer edge of the sink
(5) Dishwashers
Informational Note: For information on protection of dishwashers, see 422.5.

550.32(E) – Receptacle Providing Power to a Mobile or Manufactured Home

Change at a Glance:

Revisions clarify that a receptacle providing power to a mobile or manufactured home in accordance with 550.10 need not be provided with GFCI protection.

550.32 Service Equipment. (Mobile or Manufactured Homes)

(E) Additional Receptacles. Additional receptacles shall be permitted for connection of electrical equipment located outside the mobile home, and all such 125-volt, single-phase, 15- and 20-ampere receptacles shall be protected by a listed groundfault circuit-interrupter. Receptacles located outside a mobile or manufactured home shall be provided with ground-fault circuit-interrupter protection as specified by 210.8(A). Where receptacles provide power to a mobile or manufactured home in accordance with 550.10, ground-fault circuit- interrupter protection shall not be required.