Products and the 2002 National Electrical Code Changes

search for it in different locations in each article. This change will make it easier
to compare two products for each of their uses.
Article Renumbering: Articles of Chapter 3 of the 2002 NEC have been
renumbered (Example: Article 331 for Electrical Nonmetallic Tubing (ENT) has
been renumbered to Article 362). Cross-Reference Tables have been added to the
2002 NEC in Annex F. These cross reference tables will compare the
renumbering from the 2002 NEC to the 1999 NEC, the 1999 NEC to the 2002
NEC, and Alphabetically by article title.
Product Related Changes
Article 300
Wiring Methods
300.5(D)(5) Listing. (RNC, HDPE, LFNC and Fittings). All conductors installed in
underground raceways or enclosures are required to be listed for use in a wet location.
300.5(K) Directional Boring. (Bore-Gard). Raceways installed using directional boring
equipment shall be approved for the purpose. Bore-Gard has been approved by
Underwriters Laboratories Inc. for the use with directional boring equipment.
Article 314
(1999 NEC Article 370)
Outlet, Device, Pull, and Junction Boxes
314.27(A) Exception. (Outlet Boxes). Wall-mounted luminaries (fixtures) weighing 3kg
(6lb) or less are allowed to be supported by standard outlet boxes. This rule was allowed
in the 1999 NEC but the luminaire was restricted to a dimension of 16” (406mm). The
2002 NEC has removed the dimensional restriction.
314.27(B) Maximum Luminaire (Fixture) Weight. (Ceiling Boxes). The maximum
weight for a Carlon ceiling box is 23kg (50lb). This rule was moved from Section 410-16
of the 1999 NEC and placed in Article 314.
Article 334
(1999 NEC Article 336)
Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS
334.10(2)&(3) Uses Permitted. (Outlet Boxes). Nonmetallic-Sheathed Cable is permitted
to be used above three stories in Types III, IV and V Multifamily construction and is also
permitted in other buildings with the same types of construction as long as the cable
assembly is concealed behind a wall with a 15 minute finish rating. This is a very
controversial issue and is currently being appealed to the NFPA Board of Directors. As of
right now the language has been adopted in the 2002 NEC. This expanded use will
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