Auxiliary Gutters Definition

Electrical safety sizing a gutter for the proper fit is relatively easy.

Auxiliary gutters definition.

I get a lot of calls to make sure that the gutter that they are using is up to code. A wireway by definition is installed as a separate system from the panel cabinet or other enclosure. This article covers the use installation and construction requirements of metal auxiliary gutters and nonmetallic auxiliary gutters and associated fittings. The term gutter is used in this non raceway location in the nec.

Auxiliary definition is offering or providing help. Articles 376 and 378 focus on wireways not auxiliary gutters. My interpretation of an auxiliary gutter is a gutter made for and attached to the sides of an enclosure and they are always installed as a system with the cabinet. Metal and nonmetallic wireways are still considered to be raceways based on a change that occurred to the definition of raceways in article 100 in the 2014 nec and to the defined terms in 376 2 for metal wireways and 378 2 for nonmetallic wireways.

Section 620 35 which does address auxiliary gutters used in elevator installations notes they shall not be subject to the restrictions of 366 12 2 covering their length or 366 22 covering the number of conductors. Articles 386 and 388 cover surface raceways not auxiliary gutters. How to calculate auxiliary gutter fill 366 22 a b categories. Article 366 auxiliary gutters i.