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Code Alert: Tennessee, 08 July 2010



The City of Chattanooga has adopted the 2008 NEC, with an effective date of July 1, 2010 with the following 3 exceptions, exclusions, or amendments:

(1) Sections 210.52.C(2) and (3) are deleted in their entirety;

(C) Countertops. In kitchens, pantries, breakfast rooms, dining rooms, and similar areas of dwelling units, receptacle outlets for countertop spaces shall be installed in accordance with 210.52(C)(1) through (C)(5).

(2) Island Countertop Spaces. At least one receptacle shall be installed at each island countertop space with a long dimension of 600 mm (24 in.) or greater and a short dimension of 300 mm (12 in.) or greater.

(3) Peninsular Countertop Spaces. At least one receptacle outlet shall be installed at each peninsular countertop space with a long dimension of

(2) Section 210.52.C(5), all reference to the paragraph entitled “Exception” is deleted in its entirety.

Exception to (5): To comply with the conditions specified in (1) or (2), receptacle outlets shall be permitted to be mounted not more than 300 mm (12 in.) below the countertop. Receptacles mounted below a countertop in accordance with this exception shall not be located where the countertop extends more than 150 mm (6 in.) beyond its support base.

(1) Construction for the physically impaired

(2) On island and peninsular countertops where the countertop is flat across its entire surface (no backsplashes, dividers, etc.) and there are no means to mount a receptacle within 500 mm (20 in.) above the countertop, such as an overhead cabinet

(3) Section 210.12(B) shall retain the language in the 2005 NEC – 2005 language follows:

B. Dwelling Unit Bedroom. All 120-volt, single phase, 15- and 20-ampere branch circuits supplying outlets installed in dwelling unit bedrooms shall be protected by a listed arc-fault circuit interrupter, combination type installed to provide protection of the branch circuit.

FPN: For information on types of arc-fault circuit interrupters, see UL 1699-1999, Standard for Arc-fault Circuit Interrupters.

Exception: The location of the arc-fault circuit interrupter shall be permitted to be at other that the origination of the branch circuit in compliance with (a) and (b):

(a) The arc-fault circuit interrupter installed within 1.8 m (6 ft) of the branch circuit overcurrent device as measured along the branch circuit conductors.

(b) The circuit conductors between the branch circuit overcurrent device and the arc-fault circuit interrupter shall be installed in a metal raceway or a cable with a metallic sheath.

For Further Information Contact -

David Martin, Chief Electrical Inspector

City of Chattanooga, Tennessee

Telephone: (423) 757-4896
Martin_D@mail.chattanooga.gov

Contact: John.minick@nema.org