Electrical Tools, Calculators, and Charts

Cable Sizing and Length


Ensure the proper cable size given acceptable loss, voltage, and amps. Or determine how far a particular cable can be run given acceptable loss, voltage, and amps.

Cable Sizing and Length Calculator

Conduit Fill


Calculate the percent of area inside of a conduit that can be taken up by cables.

Conduit Fill Calculator

Control Panel Heat Dissipation


For calculating the heat rise inside of NEMA or IP rated enclosure.

Control Panel Heat Dissipation

Heat Trace Requirements


This tool will give you the wattage losses to outside air given the insulation material and pipe size.

Heat Trace Requirements

Electrical Education

Quiescent Current – Calculation, Formula, vs. Other Types

Quiescent current is a very important parameter in battery-powered applications. This particularly holds true for products that are often on standby. In this article, you will learn the meaning of…

Line vs Load – Practical Implications, How to Differentiate, GFCI

In electrical terms, line refers to the wires that supply electricity to a device. Such a device could be a switch or panel that receives power into a building from…

208V vs 220V – Differences, Connection Types, vs. 240V

208V and 220V are both standard voltages for power supply. As power demands from clients vary, so do the application of these standard voltage levels. In this article, you will…

Motor Rotation – Directions, Relevance, and Reversal

In a magnetic field, a coil of wire that carries current experiences a force that causes rotation. This is the governing principle of electric motors, which scientists refer to as…

PLC Cabinet – Types, Layout, Wiring, and Components

PLC is short for Programmable Logic Controller. PLC cabinet refers to the housing that contains a control system, which automates various industrial processes. In addition, the cabinet protects its components…

Germanium Transistor – History, Purpose, and Pin-Out

As civilization grows bigger, technological developments get smaller in size. The discovery of the germanium transistor ushered in a new age of computing. Its technology would become the building blocks…

Copper Wire

Copper is one of the most versatile and commonly used materials. Copper has a wide range of uses, some of these uses are power transmission lines, electrical wiring, and spark…

Power Cables

Power cables connect equipment to a power supply, allowing energization and proper functioning. They are used extensively in facilities and plants for lighting, power and control circuits installed in the…


A raceway is an enclosed electrical conduit that forms a pathway for electrical wiring. Raceways protect the wires and cables from physical threats. In this article, you will learn about…

PLC: Programmable Logic Controller

Programmable Logic Controllers (PLC) are industrial computers that have been adapted to run industrial and manufacturing processes. They are the brains of industrial process, giving orders and passing information to…

Control Wiring

Control wiring is a physical mode of communication between control devices used to transmit commands. Sometimes referred to as the nervous system of the control system, control wiring connects all…


Instrumentation is the collective term for instruments that are used for indicating, measuring, and recording physical quantities in systems. Instrumentation gives engineers and operators insight into system behavior and allows…

Control Panel Enclosures

In engineered equipment, the term enclosure may mean several different things. There are electrical enclosures, also known as electrical “houses”, that contain large critical equipment such as variable frequency drives…