Article 690 Terminology

Solar Photovoltaic Systems Part 1 – Article 690 based on the 2014 NEC by Mike Holt   By Mike Holt, NEC Consultant   Though it covers solar power systems, Article 690 is not light reading. Article 690, consisting of eight Parts, applies to Photovoltaic (PV) electrical energy systems, array circuit(s), inverter(s), and charge controller(s) for […]

Electrical Exam Prep Tip #100- Tricky Questions

  With the PSI exam, reading the question word for word exactly is extremely important.  Many questions are very to tricky, pay attention to wording variations. Reading the applicable NEC Article or code statue is a must, reading the question backwards is one terrific tool.  Reading the question backwards will trick your mind into reading […]

Watch For INSTALLATION Clues and Similar Type Circuits

Here is an excerpt for the Crash Course Book, you can get one from the Texas Live Seminars:”THE SINGLE LARGEST MISTAKE WE SEE TIME AGAIN, is the feeling that because this is an open book exam, AND because you have a Key Word Index in the back, ANYONE can look up the answers. That’s simply […]

What’s in the Exam?

This is probably the top question on your mind.  You probably want to know exactly just what is on the exam.  Even if you have taken the exam before you may not have a good idea of what subject areas are in the exam due to traps and question misdirection.Each state examiner like the PSI, […]

How to Use your T/H 2014 NEC Book

How to use your tab/highlighted bookThe 2014 NEC book will not magically help you pass the exam. The books is highlighted to help you spot the articles that will help you answer questions you will encounter in the electrical exam. The tabs are designed to help you find the articles that are related to the exam […]

Equipotential Bonding Article 680 NEC

Equipotential Bonding in and Around Swimming Pools, Article 680 NEC®http://necconnect.org/wp-content/uploads/sites/2/2014/05/70RR-01-PDF.pdf A person who is immersed in a pool or who is dripping wet has a large amount of exposed skin, and if lying or walking on a concrete deck or other conductive perimeter surface, is extremely vulnerable to any differences in electrical potential that might […]

Must-Have Formulas for Your Exam

Write these formulas in your code book, you’ll be glad you did. The following images are from Mike Holt’s Illustrated Guide To Electrical Exam Preparation 2011 Edition, and you can learn more about these formulas here.  You will also find questions to help you understand how to use these formulas.  If you are preparing for […]

Change and Duplicate License Request- Texas

This morning an electrician in Texas called asking for help finding the form that will help him change his information with TDLR.  In case you are needing to make changes, like a change of address, change of name or if you want to request a duplicate or reprint of your license, this is the form […]

7 Motor Articles to read & Understand

7 Motors Articles to Read & Understand

  In the electrical exam there are several subject areas you will be tested on.  One of the subject areas is Motors.  We all know that article 430 is THE Motors article.  Here are 7 Motors articles to read & understand to help you get started: T430.22 (E) Duty cycle Service (page 329) 430.22 (E) […]