Ord 2015-021/Building and Building Regulations (Ch. 14 revisions and updates)

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Withifl Si, -ht Of the Spa OF h0t tlih Thi -S requiFenient shall appl�, to single 4tmily Ekk,ellings as well as (8) Portable or temporary project offices or trailers will be allowed to be wired in type NM, NMC, or NMS cable during the construction phase of a project. However, the structure shall be removedrp for to wlen-a certificate of occupancy is issued for the building under construction. (9) Pre -manufactured portable offices or trailers are allowed to be wired in type NM, NMC or NMS cable, provided they are used as temporary buildings only. To be so considered, they may not be placed on permanent foundations or have the transport undercarriage removed or have the foundation enclosed to give a permanent appearance. (10) All services shall have disconnecting means located outside of the building served. (11) Electrical metallic tubing (article 358) will not be installed in concrete. (12) Overhead service entrance conductors shall be in rigid metal conduit, intermediate metal conduit, or electrical metallic tubing. Service entrance cable (article 338) will not be authorized unless protected by approved conduit. If the service entrance conduit is a service mast, only two-inch or larger rigid metal conduit or intermediate metal conduit will be used. (13) A minimum of one grounding conductor, sized according to the NEC, will be installed in any field -installed electrical conduit. This requirement is in addition to those prescribed by article 250.64. (14) Flexible metal conduit (article 348) will not be used in wet locations. (15) Color coding of conductors. Color coding of conductors will be as follows, with the exception of control circuits other than switches: Single phase 120/240 volt wiring systems A B N Red Black White Three phase four wire 120/208 volt wiring systems A B C N Red Black Blue White Three phase three and four wire 120/240 volt delta wiring systems Page 28