Understand the general requirements of NEC, Part 7
Article 110 provides general requirements for all installations. Section 110.12 is the famous “mechanical implementation” part of the NEC. Repeated criticism from a second. 110.12 Is it not specific enough. It begins with “electrical equipment must be installed in a professional and skillful manner.” But there is no explanation for what this means. We return […]
Code test: NEC requirements for a dryer
Depending on 2023 NEC. Question: Does the garment container in the housing unit require the protection of GFCI? See the answer below. Answer: Yes. Explanation: In a second. 210.8 (D) from 2023 NEC, new requirements to protect GFCI from the 60A or lesser clothing dryers or 150 volts were added to the ground or less. […]
Nec requirements for connectors Ec & M.
The neutral conductor may be currently connected, but only under the conditions specified in the SEC. 310.15 (e). Equipment grounding connectors are absolutely not currently (Article 310.15 (f)). When race devices or cables are exposed to direct sunlight and are less than 3/4 inch. Above the ceiling, a temperature of 60 degrees Fahrenheit (33 ° […]
Explanation of Article NEC 680 on swimming pools, resorts and water -based installation
Article 680 of the National electrical law (NEC) governs the installation of electrical systems for swimming pools, fountains, hot basins, resorts, gathering bathrooms, ornate swimming pools, artificial waterfalls, treatment tanks, and similar water bodies. Its main focus is on preventing the risk of electric shock and fire risk near water. The article covers the electrical […]
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 […]
NEC Definitions of “Patient Care Spaces”
The simple definition of a patient care facility is: “any place in a health care facility where patients are intended to be examined or treated” (Article 100). But understanding this correctly means being clear about what is meant by a health care facility. We might say that a gym is a health care facility because […]
What do the 2020 NEC surge protection requirements mean?
Why the focus shifted? Before any lightning protection standards could be developed, it was important to assess the extent of damage to facilities caused by lightning strikes. For years, the National Electrical Manufacturers Association (NEMA) Lightning Institute has been trying to obtain this information from nationally recognized insurance companies. The goal of obtaining the information […]
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 […]