Articles

Iowa Electrical Continuing Education Webinar

Oct 26, 2018

Get 4 hours of electrical continuing education for Iowa - Join us from the comfort of your own home for a continuing education webinar covering 2017 NEC Changes.

AFCIs - What You Need to Know

Oct 24, 2018

Arc Fault Circuit Interrupters (AFCIs) are an important electrical fire prevention and safety requirement of the National Electrical Code. With the changes to the NEC in 2017 there still seems to be questions regarding the use of AFCIs. This primer will address these questions.

Sizing RV-Park Electrical Services Using NEC Table

Oct 05, 2018

The Electrical Service supplying an entire RV park must be sized to accommodate the electrical demands of multiple modern recreational vehicles drawing power simultaneously from the individual park sites.

3-Wire Cords on Modern 4-Wire Appliances

Sep 18, 2018

Modern clothes dryers often have a bonding strap in place that connects the metal housing of the dryer to the neutral lug of the cord attachment terminals, in case the installer is using the 3-wire cord method.

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.

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