Selecting Wire Gauge Based on NEC Standards

In this article, we explain the factors that must be considered when selecting wire gauge of an electrical conductor. At the end, we suggest articles where the calculation is performed. Choosing the correct wire gauge is essential to ensure electrical safety, efficiency, and compliance with the National Electrical Code (NEC). This tutorial provides a step-by-step … Read more

Electrical Safety Guidance, safety Tips for Electrical Installations.

In this article, we provide safety tips, precautions with electricity, electrical safety, and common practices. Based on the National Electrical Code (NEC) and general recommendations, these measures aim to prevent electrical hazards. Ensuring safety in electrical installations is essential to prevent accidents and damage. Below are some key recommendations, aligned with NEC guidelines. It is also important … Read more

Types of Electrical Conduits and Their Uses

This article explains the types of Electrical Conduits, the most commonly used types of conduits for electrical installations, such as PVC, Rigid Metal Conduit (RMC), Electrical Metallic Tubing (EMT), and Liquidtight Flexible Conduit (LFMC). It details where each conduit is recommended for use and the reasons for their application. There is a wide variety of conduits for electrical … Read more

Symbols in One-Line Electrical Diagram

This article describes the most commonly used symbols in one-line electrical diagram. These symbols may vary significantly from one diagram to another because there is no specific standard dictating which symbols to use. Therefore, it is important to include a symbol legend in the diagram or blueprint, explaining what each symbol represents. This ensures that anyone can … Read more

One-Line Diagram meaning.

In this tutorial, we explain what a one-line diagram is, its advantages, and the information it contains. A single line diagram is one of the most widely used electrical tools due to its simplicity and usefulness. A one-line diagram (also known as a single-line diagram) is a simplified graphical representation of an electrical power distribution system. It … Read more

Motor Protection According to the NEC

This article explains NEC electric motor protection, specifying where in the NEC the information is located so that any doubts can be addressed by reviewing each section in more detail. The National Electrical Code (NEC) establishes that electric motors must be protected against overload, short circuits, and ground faults. This is primarily addressed in Article 430, which covers … Read more

Smallest conductor sizes for copper and aluminum

In this article, we explain the smallest conductor sizes of copper and aluminum conductors permitted by the National Electrical Code (NEC), depending on their applications, the current they carry, and specific restrictions that apply. This guide covers key aspects of conductor selection, including ampacity ratings and safety considerations, ensuring compliance with NEC standards. It is … Read more

Voltage Drop Calculation

In this article, we explain the voltage drop calculation, one of the most crucial calculations in electrical engineering. Here, we outline the formula used to determine voltage drop, which is based on factors like operating voltage, wire gauge, conductor material, load distance, current (amperage), etc. We also include several exercises for calculating voltage drop. We … Read more

The Symbol of a Fuse

The symbol of a fuse is one of the most commonly used elements in electrical and electronic diagrams. Fuses are used in electronics involving a few volts, as well as in low voltage (120/220V) circuits, and are even employed in medium voltage (over 13,000V) and high voltage (over 60,000V) systems. This article showcases some of … Read more

Calculate conduit size (electrical conduit sizing).

In this article, we explain how to use NOM-001-SEDE-2012 to calculate conduit size dimensions based on the number of wires, their gauge, and the type of insulation they use. To calculate conduit size dimensions according to NOM-001-SEDE-2012 in Mexico, you first need to understand some basic concepts related to conduit capacity for housing electrical conductors … Read more