About this document
NEC 2017: Article 225 Overview by Roy Ferdy Massolo is a document available to read on EtoBox.
The document summarizes changes to NEC Chapter 2 on wiring and protection from the 2014 to 2017 code. Key changes include: 1) Article 215 was updated to require ground-fault protection on feeder disconnects rated 1000 amps or more that are installed on solidly grounded wye systems over 150V up to 600V. 2) Article 215 also provides new requirements for identifying ungrounded conductors on feeders supplied from multiple voltage systems or direct current systems. 3) Article 225 outlines general requiremen
- Author
- Roy Ferdy Massolo
- Language
- EN