Posts Tagged ‘Electrical Articles’

Mounting Panelboards Horizontally

Tuesday, January 8th, 2013

The top row of circuit breakers in the photo above violates Article 240.81 of the 2011 NEC. They’re operated vertically so they must be “ON” in the up position. When is mounting panelboards horizontally acceptable? To answer the question directly, it is acceptable when there’s no other practical solution. Mounting panelboards horizontally … more »

Determining the Minimum Size Conductor

Saturday, January 5th, 2013

When determining the minimum size conductor for an installation, the temperature rating of everything involved in the circuit must be taken into account. This includes the conductor’s insulation, terminations, and devices. The lowest associated temperature is then used for the selection of the minimum size conductor. For example: You are … more »

Road Map for Navigating the National Electrical Code

Friday, January 4th, 2013

Article 90 – Introduction Properly placed at the beginning of the National Electrical Code, Article 90 is essential to correctly applying its requirements. The first thing it covers is the purpose of the code. Generally speaking this deals with safeguarding against fire and electric shock by installing and maintaining electrical … more »

The Value of Understanding the NEC ®

Saturday, December 29th, 2012

Electrical contractors with a limited knowledge of the NEC ® often do two bad things for no good reason. They overcharge their customers and/or cut their own profit by doing more than necessary for a safe and practical installation . We aren’t talking about the contractors that lie to customers … more »

Electrical Estimating Basics | Break Even Costs

Thursday, December 27th, 2012

The two main goals in electrical estimating are winning jobs and making money. To be successful at estimating you must do both. How you get those results doesn’t really matter. Winning jobs that lose a company money never makes sense. It helps to have a system that is efficient and consistent. … more »

Electrical Exam Tips | Use the Table of Contents

Wednesday, December 26th, 2012

We often hear people talking about their use of the NEC® index the entire electrical exam. That is a bad move and a good sign you need training. The index can be a good tool if you don’t know where to start looking for something. It tells you where terms … more »

Success is a Commitment not an Achievement

Saturday, December 22nd, 2012

Start off the new year committed to success and take action. The best advise I can give anyone wanting to get an electrical license or anything else is to–just do it. I believe the fear of failure keeps many people from ever getting started. You only truly fail when you … more »

Seminar vs Webinar

Tuesday, December 18th, 2012

An online seminar or “webinar” has many advantages over traditional seminars. This is especially true for electrical exam prep classes. Don’t confuse online seminars with self paced programs online. They are worlds apart. Webinars are live seminars online and in our classes interactive. After reading this contact us to try one … more »