Page 786 - 2018_IRC

CHAPTER 41

APPLIANCE INSTALLATION

ICC user note:
About this chapter: Chapter 41 covers appliance installation, which is typically the final stage of construction after all wiring, devices and fix-
tures are installed. This chapter covers flexible cords, overcurrent protection, disconnecting means and installation provisions.

SECTION E4101 E4101.4.1 Single nonmotor-operated appliance. The
GENERAL overcurrent protection for a branch circuit that supplies a
E4101.1 Scope. This section covers installation requirements single nonmotor-operated appliance shall not exceed that
for appliances and fixed heating equipment. (422.1 and 424.1) marked on the appliance. Where the overcurrent protec-
tion rating is not marked and the appliance is rated at over
E4101.2 Installation. Appliances and equipment shall be 13.3 amperes, the overcurrent protection shall not exceed
installed in accordance with the manufacturer’s installation 150 percent of the appliance rated current. Where 150 per-
instructions. Electrically heated appliances and equipment cent of the appliance rating does not correspond to a stan-
shall be installed with the required clearances to combustible dard overcurrent device ampere rating, the next higher
materials. [110.3(B) and 422.17] standard rating shall be permitted. Where the overcurrent
E4101.3 Flexible cords. Cord-and-plug-connected appli- protection rating is not marked and the appliance is rated
ances shall use cords suitable for the environment and physi- at 13.3 amperes or less, the overcurrent protection shall
cal conditions likely to be encountered. Flexible cords shall not exceed 20 amperes. [422.11(E)]
be used only where the appliance is listed to be connected E4101.5 Disconnecting means. Each appliance shall be pro-
with a flexible cord. The cord shall be identified as suitable in vided with a means to disconnect all ungrounded supply con-
the installation instructions of the appliance manufacturer. ductors. For fixed electric space-heating equipment, means
Receptacles for cord-and-plug-connected appliances shall be shall be provided to disconnect the heater and any motor con-
accessible and shall be located to avoid physical damage to troller(s) and supplementary overcurrent-protective devices.
the flexible cord. Except for a listed appliance marked to indi- Switches and circuit breakers used as a disconnecting means
cate that it is protected by a system of double-insulation, the shall be of the indicating type. Disconnecting means shall be
flexible cord supplying an appliance shall terminate in a as set forth in Table E4101.5. (422.30, 422.35, and 424.19)
grounding-type attachment plug. The cord lengths specified
for built-in dishwashers and trash compactors shall be mea- E4101.6 Support of ceiling-suspended paddle fans. Ceil-
sured from the face of the attachment plug to the plane of the ing-suspended fans (paddle) shall be supported independently
rear of the appliance. A receptacle for a cord-and-plug-con- of an outlet box; by a listed outlet box or outlet box system
nected range hood shall be supplied by an individual branch identified for the use and installed in accordance with Section
circuit. A receptacle for a built-in dishwasher shall be located E3905.8; or by a listed outlet box system, a listed locking
in a space adjacent to the space occupied by the dishwasher. support and mounting receptacle, and a compatible factory-
Specific appliances have additional requirements as specified installed attachment fitting designed for support, identified
in Table E4101.3 (see Section E3909). [422.16(B)(1), (B)(2), for the use and installed in accordance with Section
(B)(4)] E3906.12. (422.18)
TABLE E4101.3 E4101.7 Snow-melting and deicing equipment protection.
FLEXIBLE CORD LENGTH Outdoor receptacles that are not readily accessible and are
MINIMUM CORD MAXIMUM CORD supplied from a dedicated branch circuit for electric snow-
APPLIANCE
LENGTH (inches) LENGTH (inches) melting or deicing equipment shall be permitted to be
Electrically operated 18 36 installed without ground-fault circuit-interrupter protection
in-sink waste disposal for personnel. However, ground-fault protection of equip-
Built-in dishwasher 36 78 ment shall be provided for fixed outdoor electric deicing and
snow-melting equipment. [210.8(A)(3) Exception, 426.28]
Trash compactor 36 48
Range hoods 18 48 E4101.8 Lockable disconnecting means. Where a discon-
necting means is required to be lockable, it shall be capable of
For SI: 1 inch = 25.4 mm. being locked in the open position. The provisions for locking
shall remain in place with or without the lock installed.
E4101.4 Overcurrent protection. Each appliance shall be
protected against overcurrent in accordance with the rating of Exception: Locking provisions for a cord-and-plug con-
the appliance and its listing. [110.3(B), 422.11(A)] nection shall not be required to remain in place without the
lock installed.

2018 INTERNATIONAL RESIDENTIAL CODE ® 761
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