A Practical Guide to Electric Motor Control Systems
At its most basic, an electric motor control system is the collection of hardware and software that tells a motor what to do. Think of it as the brains and nervous system that turns raw electrical power into precise, controlled work. It dictates everything from when a...
The Ultimate Guide to Automatic Transfer Switch ATS Systems
At its core, an automatic transfer switch (ATS) is the unsung hero that keeps the lights on. It’s the device that intelligently shifts your facility’s electrical load from the primary power source to a backup, like a generator, the moment an outage hits. Its whole job...
Nema enclosure rating chart: Your quick guide to choosing ratings
When you're dealing with electrical equipment, the enclosure is your first and most important line of defense. A NEMA enclosure rating chart is the go-to tool for figuring out exactly what kind of protection you're getting. It cuts through the jargon and...
Single Line Diagram Symbols Electrical: The Ultimate Practical Guide
At its core, a single-line diagram (SLD) is the electrical world's most effective shorthand. It uses a universal set of single-line diagram electrical symbols to map out the power flow in a system. Think of it as the master blueprint for an entire electrical...
E&I Sales Completes Acquisition of Industrial Motor Services
TULSA, Okla., February 3, 2026 — E&I Sales, a Tulsa-based electrical equipment manufacturing company, today announced the acquisition of Industrial Motor Services, an electric motor repair and maintenance provider in Tulsa. A family owned and operated business,...
A Guide to the Direct Drive Motor and Precision Control
Ever felt the frustrating "slop" or backlash in a machine? That tiny bit of play in a gear or a belt that throws off precision? Direct drive motors are the answer. Instead of relying on clunky gearboxes, belts, or chains, a direct drive motor connects...
What is a solid state relay: what is a solid state relay explained
A solid state relay, often just called an SSR, is an entirely electronic switch. It lets you control a large, high-power electrical load using just a tiny, low-power signal. Unlike the chunky mechanical relays you might be used to, an SSR has absolutely no moving...
Arc Flash Hazard Analysis: Protect Your Facility and Personnel
An arc flash hazard analysis is a deep-dive engineering study that figures out the sheer thermal energy that could be unleashed during an electrical fault. Think of it as a specialized forecast for your facility's electrical system, predicting the intensity of a...
Sizing circuit breakers: A Practical Guide to Safe, Reliable Electrical Systems
Sizing a circuit breaker correctly is the bedrock of any safe, reliable electrical system. It's what keeps your equipment protected without triggering frustrating and costly downtime. The process is a careful balance—calculating load currents, factoring in...
Difference Between Contactor And Relay A Complete Guide
At their core, the difference between a contactor and a relay comes down to muscle versus finesse. A contactor is the heavy-duty switch you need for brawny, high-current loads like electric motors and industrial lighting. A relay, on the other hand, is a precision...









