National Electrical Code (NEC) Articles Practice Test 2025 - Free NEC Practice Questions and Study Guide

Article 670 of the National Electrical Code (NEC) specifically addresses industrial machinery. This article provides the necessary guidelines and requirements for the safe installation, operation, and maintenance of electrical machinery in industrial settings.

The focus of Article 670 is on equipment that is used in factories, power plants, and similar locations where machinery is essential for production and manufacturing processes. It covers aspects such as wiring methods, protection of equipment, grounding, and circuit requirements tailored specifically for industrial applications.

Understanding the application of this article is crucial as it helps ensure that installations comply with safety standards, reduces the risk of electrical hazards, and promotes efficiency in industrial operations. The specific focus on machinery and the unique conditions that can arise in industrial environments sets this article apart from others that might deal with different types of electrical systems.