NEC Section 344 Explanation of Rigid Metal Conduit (RMC)
Section 344 of the NEC (National Electrical Code) covers materials, installation, and protection requirements for solid metal conduit in electrical systems. Here’s what you need to know, and a detailed breakdown of what the article covers: Definition and scope (344.1) Section 344 applies to rigid metal conduit (RMC), which is thick-walled threaded tubing used to […]
Explanation of NEC Section 100 definitions
NEC Article 100 covers the basic definitions used throughout the code to ensure clear understanding and consistent application. Terms explained in the article appear throughout the blog. Below are the basic definitions from Section 100 of the NEC, highlighted for clarity. Basic definitions from the first part (general): Accessible (as applied to equipment): Equipment that […]
What are the electrical requirements for Class 1 Section 2?
Class 1, Section 2 electrical requirements are part of the National Electrical Code (NEC) and are designed to ensure safety in hazardous locations where flammable gases, vapors, or liquids may be present. Category 1 locations deal with gases or vapors, and Category 2 refers to environments where these substances do not occur naturally but can […]
Explanation of NEC Section 392 regarding cable trays
NEC Article 392 describes cable trays, their components, proper connection methods for cable trays, and when and where they are allowed and not allowed. It also focuses on construction and installation practices for cable trays. The following is a summary of the most important points contained in Article 392 of the National Constitution: Cable tray […]