Texas Electrical Excel

Today we are sharing with you 3 NEC Charts that James Boone from www.PowerSoftEng.com has graciously shared. He has been researching over the years and has put together cheat sheets for us all to use. "All of the things recorded in these charts are accumulated knowledge and research in many areas of personal interests and business. I hope you find the information helpful as I have." By  James Boone , Electrical Designer. www.powersofteng.co m Thank you Mr. Boone! * Click on each chart title to download the PDF* WIRE/CONDUIT/MOTOR CHART This chart is designed to allow designers or field technicians the ease of finding NEC charts without the need of a code book. Readers should make their own determinations that the information contained herein is relevant to any specific situation where wiring is concerned. This chart incorporates most all instances of sizing wire ampacity, conduit fill, motor charts, grounding, power riser schedule and grounding...

We are in the gift giving mood, here are some MORE articles to highlight on your NEC book. Remember to highlight based on the title of the article.   If you missed our previous post with 18 Articles to highlight now, here is the link. Tell your friends we are cool and you love us...share this page with them all. For more articles to highlight,  practice exams , and exam prep tips, sign up for our newsletter here and enjoy a  free Exam workbook .   States that benefit from our seminars and study guides: Alaska,  California ,  Delaware ,  Florida ,  Georgia , New Mexico, North Carolina, Oklahoma,  Oregon , Texas, Utah,  Vermont ,  Wisconsin *Based on the 2014 NEC* 547.10  Equipotential Planes and Bonding of Equipotential Plates 550 Mobile Homes 550.4 (A) Mobile Home Not Intended as a Dwelling Unit. 551.71 Type Receptacles Provided (RVS) T551.73 (A) Demand Factors for Site Feeders and Se...

This Article is extracted from Mike Holt’s  Illustrated Guide to Understanding NEC® Requirements for Solar Photovoltaic Systems. Understanding NEC Requirements for Solar Photovoltaic Systems, Based on the 2011 NEC Click here to buy a copy or read more about it.       *Please note in the follwing extraction that  blue underlined text  indicates a 2014 NEC change. Section 690.47 – Grounding Electrode System (A) Alternating-Current PV System Grounding Requirements.  For ac PV systems, a grounding electrode system must be provided in accordance with 250.50 through 250.60, with the ac grounding electrode conductor installed in accordance with 250.64. Figure 690–109 Figure 690–109 (B) Direct-Current PV System Grounding Requirements.  For dc PV systems, a grounding electrode system in accordance with 250.166 for grounded systems, or 250.169 for unground...

With the 2011 Texas exam coming to end, we prepare to understand and review the 2014 NEC® and code changes.  If you didn’t take the 2011 exam don’t worry, the exam is not vastly different….yet.  It typically evolves over time in about (just an estimate here) 6 months.  The exam from 2011 and the exam from 2014 if compared side-by-side will be night-and-day different. Keep in mind that although the exam content will be similar if not the same, the new book has a ton of adjustments and new codes.  These new codes and articles apply to Chapters 1-9...yes all of it.  If you haven’t already done so, you should take a few hours and go through your old book and the new book to locate the differences.  Well, that is if you don’t have work and family and a LIFE.  Photo source: ClipArt “I’ll see you next year sweetheart, Daddy has to go study the code changes.” For an easier way to understand and review the code changes we suggest Mike Holt’s ...