Building type 3

N

nano perez

Member
Location
MD
Occupation
Electrician
Can someone help me out to find out if I am allow to pull 12/2 Romex in commercial wood framing clubhouse building with capacity of 165 people , this project is in Maryland. and building calssification is Type 3 Building.
 
S

Strathead

Senior Member
Location
Ocala, Florida, USA
Occupation
Electrician/Estimator/Project Manager/Superintendent
don_resqcapt19 said:
That sounds like an Article 518 Assembly Occupancy.
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The definition of a type 3 construction is there. The answer to the OP question is you are allowed. Article 334 NEC

334.10 Uses Permitted. Type NM, Type NMC, and Type NMS cables shall be permitted to be used in the following, except as prohibited in 334.12: (1) One- and two-family dwellings and their attached or detached garages, and their storage buildings.
(2) Multi-family dwellings permitted to be of Types III, IV, and V construction.
(3) Other structures permitted to be of Types III, IV, and V construction. 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.
 
don_resqcapt19

don_resqcapt19

Moderator
Staff member
Location
Illinois
Occupation
retired electrician
Strathead said:
The definition of a type 3 construction is there. The answer to the OP question is you are allowed. Article 334 NEC

334.10 Uses Permitted. Type NM, Type NMC, and Type NMS cables shall be permitted to be used in the following, except as prohibited in 334.12: (1) One- and two-family dwellings and their attached or detached garages, and their storage buildings.
(2) Multi-family dwellings permitted to be of Types III, IV, and V construction.
(3) Other structures permitted to be of Types III, IV, and V construction. 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.
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518 can modify a rule in Chapters 1 through 4, so you also have to check there if this is an assembly occupancy.
 
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