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

Power motor calculation

In this tutorial, we explain how to calculate the current of three-phase and single-phase motors. Power motor calculation. Learn to determine the amperage a motor consumes, which depends on the horsepower (HP), motor efficiency, power factor, and operating voltage. We recommend using an Excel file for various calculations, including motor calculations, available on the Hotmart … 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

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

Electrical conductor size.

In this article, we show a guide for selecting the appropriate electrical conductor size according to the NEC (National Electrical Code), based on the load’s amperage. Determine the Load’s Amperage Identify the current (in amperes) required by your load. This can be found in the equipment specifications from the manufacturer or calculated based on the … Read more