422 – Appliances

422.5(A) – GFCI Requirements for Appliances

Change at a Glance:

The “provided for public use” condition has been removed from GFCI requirements for both automotive vacuum machines and tire inflation machines. Sump pumps has been added to the list of appliances requiring GFCI protection. Bottle fill stations was added to GFCI requirements for drinking water coolers. GFCI requirements for dishwashers moved from 210.8(D) to 422.5(A)(7).

422.5 Ground-Fault Circuit-Interrupter (GFCI) Protection for Personnel. (Appliances)

(A) General. Appliances identified in 422.5(A)(1) through (A)(5)(7) rated 250 150 volts or less to ground and 60 amperes or less, single- or 3-phase, shall be provided with Class A GFCI protection for personnel. Multiple Class A GFCI protective devices shall be permitted but shall not be required.
(1) Automotive vacuum machines provided for public use
(2) Drinking water coolers and bottle fill stations
(3) Cord-and-plug-connected high-pressure spray washing machines- cord-and-plug-connected
(4) Tire inflation machines provided for public use
(5) Vending machines
(6) Sump pumps
(7) Dishwashers
Informational Note: Section 210.8 specifies requirements for GFCI protection for the branch-circuit outlet where the covered location warrants such protection.

422.16(B)(2) – Flexible Cords Requirements for Built-in Dishwashers and Trash Compactors

Change at a Glance:

A flexible cord to an adjacent space for a dishwasher passing through an opening is now required to be protected in the form of a bushing, grommet or other approved means.

422.16 Flexible Cords. (Appliances)

(B) Specific Appliances
(2) Built-in Dishwashers and Trash Compactors. Built-in dishwashers and trash compactors shall be permitted to be cord-and-plug-connected with a flexible cord identified as suitable for the purpose in the installation instructions of the appliance manufacturer where all of the following conditions are met:
(1) The flexible cord shall be terminated with a grounding-type attachment plug.
Exception: A listed dishwasher or trash compactor distinctly marked to identify it as protected by a system of double insulation shall not be required to be terminated with a grounding-type attachment plug.
(1)(2) For a trash compactor, the length of the cord shall be 0.9 m to 1.2 m (3 ft to 4 ft) measured from the face of the attachment plug to the plane of the rear of the appliance.
(2)(3) For a built-in dishwasher, the length of the cord shall be 0.9 m to 2.0 m (3 ft to 6.5 ft) measured from the face of the attachment plug to the plane of the rear of the appliance.
(3)(4) Receptacles shall be located to protect against physical damage to the flexible cord.
(4)(5) The receptacle for a trash compactor shall be located in the space occupied by the appliance or adjacent thereto.
(5)(6) The receptacle for a built-in dishwasher shall be located in the space adjacent to the space occupied by the dishwasher. Where the flexible cord passes through an opening, it shall be protected against damage by a bushing, grommet, or other approved means.
(6)(7) The receptacle shall be accessible.
(7) The flexible cord shall have an equipment grounding conductor and be terminated with a grounding-type attachment plug.
Exception: A listed dishwasher or trash compactor appliance distinctly marked to identify it as protected by a system of double insulation shall not be required to be terminated with a grounding-type attachment plug.

422.16(B)(4) – Flexible Cords and Microwave Oven/Range Hood Combinations

Change at a Glance:

Revision clarifies that the same conditions are applicable to cordand-plug-connected, over-the-range microwave ovens incorporating range-hood as a range hood.

422.16 Flexible Cords. (Appliances)

(B) Specific Appliances.
(4) Range Hoods and Microwave Oven/Range Hood Combinations. Range hoods and over-the-range microwave ovens with integral range hoods shall be permitted to be cord-and-plug-connected with a flexible cord identified as suitable for use on range hoods in the installation instructions of the appliance manufacturer, where all of the following conditions are met:
(1) The flexible cord is terminated with a grounding- type attachment plug.
Exception: A listed range hood distinctly marked to identify it as protected by a system of double insulation shall not be required to be terminated with a grounding- type attachment plug.
(1)(2) The length of the cord is not less than 450 mm (18 in.) and not over 1.2 m (4 ft).
(2)(3) Receptacles are located to protect against physical damage to the flexible cord.
(3)(4) The receptacle is supplied by an individual branch circuit.
(4) The receptacle is accessible.
(5) The flexible cord shall have an equipment grounding conductor and be terminated with a grounding-type attachment plug.
Exception: A listed range hood appliance distinctly marked to identify it as protected by a system of double insulation shall not be required to be terminated with a grounding-type attachment plug.