422-Appliances: Page 4 of 8

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and counter-mounted cooking units complete with provisions for mounting

and for making electrical connections shall be permitted to be permanently connected or, only for ease in servicing or for installation, cord-and-plug-connected.
A separable connector or a plug and receptacle combination in the supply line to an oven or cooking unit shall be approved for the temperature of the space in which it is located.

(4) Range Hoods. 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- typeattachment plug.

Exception: A listed range hood distinctly marked to iden- tify it as protected by a system of double insulation, or its equivalent, shall not be required to be terminated with a grounding-type attachment plug.

(2) The length of the cord is not less than 450 mm (18 in.) and not over 900 mm (36 in.).

(3) Receptacles are located to avoid physical damage to the flexible cord.

(4) The receptacle is accessible.

(5) The receptacle is supplied by an individual branch circuit.

422.17 Protection of Combustible Material. Each elec- trically heated appliance that is intended by size, weight, and service to be located in a fixed position shall be placed so as to provide ample protection between the appliance and adjacent combustible material.

422.18 Support of Ceiling-Suspended (Paddle) Fans. Ceiling-suspended (paddle) fans shall be supported independently of an outlet box or by listed outlet box or outlet box systems identified for the use and installed in accordance with 314.27(D).

422.20 Other Installation Methods. Appliances employ- ing methods of installation other than covered by this article shall be permitted to be used only by special permission.

III. Disconnecting Means

422.30 General. A means shall be provided to disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III. If an appliance is supplied by more than one source, the disconnecting means shall be grouped and identified.

42231 Disconnection of Permanently Connected

Appliances.

(A) Rated at Not over 300 Volt-Amperes or Vs Horse- power. For permanently connected appliances rated at not over 300 volt-amperes or V% hp, the branch-circuit overcur-rent device shall be permitted to serve as the disconnecting means.

(B) Appliances Rated over 300 Volt-Amperes or Vs

Horsepower. For permanently connected appliances rated over 300 volt-amperes or Vs hp, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is capable of being locked in the open position. The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed.
FPN: For appliances employing unit switches, see 422.34.
422.32 Disconnecting Means for Motor-Driven Appli- ance. If a switch or circuit breaker serves as the disconnecting means for a permanently