Section 408.30873. Uses permitted.

Rule 873. Sections 334.10 and 334.12(A) of the code are amended to read as follows:

334.10. Uses Permitted. Type NM, type NMC, and type NMS cables may be used in the following, except as prohibited in section 334.12:

(1)      One- and 2-family dwellings and their attached or detached garages, and their storage buildings.

(2)     Multifamily dwellings.

(3)       In other structures exceeding 1 floor above grade, cables shall be concealed within walls, floors, or ceilings that provide a thermal barrier of material that has at least a 15-minute finish rating as identified in listings of fire rated assemblies pursuant to the Michigan building code.

(4)     Cable trays in structures permitted to be types III, IV, or V where the cables are identified for the use.

334.12(A). Uses not permitted. Types NM, NMC, and NMS cable shall not be permitted as follows:

(1)      In any dwelling or structure not specifically permitted in section 334.10(1), (2) and (3).

(2)       Exposed in dropped or suspended ceilings in other than 1- and 2-family and multifamily dwellings.

(3)     As service-entrance cable.

(4)       In commercial garages having hazardous or classified locations as defined in section 511.3.

(5)     In theaters and similar locations, except where permitted in section 518.4(B).

(6)     In motion picture studios.

(7)     In storage battery rooms.

(8)     In hoistways or on elevators or escalators.

(9)     Embedded in poured cement, concrete, or aggregate.

(10)       In hazardous or classified locations, except where specifically permitted by other articles in this code.

History: 1991 AACS; 1995 AACS; 1998-2000 AACS; 2007 AACS; 2013 AACS; 2015 AACS.