Articles

Understanding Class 1, 2, and 3 Circuits: What Electricians Need to Know

Sep 07, 2018

NEC Article 725 is dedicated to specialized circuitry, different from standard power and lighting circuits. The limited power and voltage of these circuits is what makes them a separate and specialized wiring method.

Grounding Versus Bonding: Part 2

Aug 28, 2018

Let's take a look at what is happening on the other end of that equipment grounding conductor, and what it is that enables this conductor to effectively carry current at such a rate that it will instantaneously trip a circuit-breaker or fuse, in the event of a ground-fault. It is normal to assume that a conductor will carry current, but in the matter of fault-current it is important to know why an equipment grounding conductor is able to do its job.

How To Renew Your Alabama HACR License Renewal

Aug 22, 2018

The first step to renewing your Alabama HACR license is to determine your expiration date. Alabama Heating, AC, & Refrigeration Contractors are required to complete 4 hours of continuing education every year before December 31st....

Motor Calculations - Part IV: Branch-Circuit Short-Circuit & Ground-Fault Overcurrent Protection

Aug 14, 2018

Branch-Circuit Short-Circuit and Ground-Fault Overcurrent Protection is the final article of a four part series. The series is titled “Motor Calculations” and covers the Code and calculations for single general motor applications.

Grounding Versus Bonding: Part 1 Q&A

Jul 31, 2018

Reader question about "Grounding VS Bonding Part 1" article

Grounding Requirements for Portable Generators

Jul 17, 2018

Portable generators are useful for when temporary or remote power is needed. Knowing when to ground a generator is critical for operator safety.

Motor Calculations - Part III: The Motor Overload

Jul 02, 2018

This is the third part of a series designed to help explain how to properly calculate motor circuits.

Grounding Versus Bonding: Part 1

Jun 15, 2018

The terms Grounding and Bonding are found throughout the NEC text, and while they are seemingly interchangeable terms, they are actually two distinct procedures when it comes to the National Electrical Code, as well as the installation of electrical equipment.

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