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Code Q&A: Metal Wireway Donts
2018-11-08 16:32:03| Electrical Construction & Maintenance
Q. What uses are not permitted by the Code for metal wireways? See the answer below. This answer is based on the 2017 NEC. A. Metal wireways are not permitted [Sec. 376.12]: (1) Where subject to severe physical damage (2) Where subjec
Code Q&A: Bending Radius Requirements for Metal Wireway
2018-10-18 17:28:31| Electrical Construction & Maintenance
Q. What is the Code bending radius requirement for conductors installed in a metal wireway? See the answer below. This answer is based on the 2017 NEC. A. Where conductors are bent within a metal wireway, the wireway must be sized to
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Code Q&A: Support Requirements for Metal Wireway
2018-10-04 00:26:52| Electrical Construction & Maintenance
Q. What are the NEC support requirements for metal wireways? See the answer below. This answer is based on the 2017 NEC. A. Wireways must be supported in accordance with Sec. 376.30(A) and (B). If installed horizontally, metal wireway
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Code Q&A: Defining a Metal Wireway
2018-09-20 19:27:00| Electrical Construction & Maintenance
Q. What is the NEC definition of a metal wireway? See the answer below. This answer is based on the 2017 NEC. A. As noted in Sec. 376.2 of the 2017 NEC, a metal wireway is defined as a sheet metal trough with hinged or removable cov
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Code Q&A: Ampacity Adjustment Factors Metal Wireways
2018-09-06 02:26:49| Electrical Construction & Maintenance
Q. What ampacity adjustment factors apply to conductors installed in metal wireways? See the answer below. This answer is based on the 2017 NEC. A. When more than 30 currentcarrying conductors are installed in any crosssectional a
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