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Mike Holt Enterprises Mike Holt Enterprises – Electrical exam preparation, CEU, & apprenticeship training. www.MikeHolt.com Need electrical training solutions?

Let us help you, your company, or school with electrical exam prep, CEUs, in-house training, or curriculum and products for your electrical apprenticeship program. We've been helping electrical professionals for over 50 years.

10/09/2026

Did you know an emergency disconnect is now required for a dwelling unit supplied by feeder conductors?
New to the 2023 NEC, section 225.41 requires an emergency disconnect for one- and two-family dwellings supplied by outdoor feeders. Not every home receives power from service conductors, some homes across the country receive their power with feeder conductors. During an emergency, first responders need a quick way to shut-off power to the dwelling unit.
Make sure to join Mike and the team on the video as they break down the new requirement in 225.41.

10/08/2026

Visit mikeholt.com/graphic to see today's daily graphic - new images posted daily. These images are extracted from Mike Holt's Understanding the NEC Volume 1. Based on the 2023 NEC
As for me and my House, we will serve the Lord [Joshua 24:15].

10/07/2026

45% got this right [314.16(B)(4)]. When in doubt... check the book! Based on the 2023 NEC
As for me and my House, we will serve the Lord [Joshua 24:15].

10/07/2026

Check out this NEC photo! This is designed to put a NEC rule at your fingertips each week, remind you to work safely, and to use as a quick training tool for your team in your meetings, at lunch, or in the field – we’d also love to hear from you about this feature and how you’re using it!

This photo is extracted from Mike Holt’s 2023 Understanding the NEC Complete Training Library, for more information visit mikeholt.com/code... or call 888.632.2633.

As for me and my House, we will serve the Lord [Joshua 24:15].

10/06/2026

Based on the 2023 NEC
Check out our daily NEC question! Know the answer? Submit it at mikeholt.com/question.........

As for me and my House, we will serve the Lord [Joshua 24:15].

10/05/2026

Keep Pushing
Every day brings challenges as we work to accomplish the goals we set. Sometimes the challenges are so frustrating that we want to 'take a break.' That's the moment when our character is tested.
Don't make excuses for yourself when the day is rainy, cold, and windy (and lightning). Push it, then keep pushing.
Be the person you can be by being the person you want to be starting today.
Get your license or upgrade your skills; call 352.360.2620.,
As for my house and me, we will serve the Lord [Joshua 24:15]

10/02/2026

Have you downloaded Mike Holt’s Toolbox app yet? It's amazing, and you'll love having the power at your fingertips! And it’s free!
Here's a highlight of the calculator features:
Circuit Calculator. Size a branch circuit or feeder circuit for residential and commercial, single- and three-phase loads.
Air-Conditioning Circuit Calculator. Size a branch circuit for residential and commercial, single- and three-phase a/c loads.
Electrical Heating Circuit Calculator. Size a branch circuit for residential and commercial, single- and three-phase heating load loads.
Motor Circuit Calculator. Size a branch circuit for residential and commercial, single- and three-phase motor loads.
Residential Service Calculator. Size the service for a dwelling unit.
Transformer Calculator. Size a primary and secondary conductors and protection for single- and three-phase loads.
In addition to the six calculators, the app gives you instant access to the following MikeHolt.com resources:
Continuing Education | Exam Preparation | Free Stuff | Graphic of the Day | Instructor Resources | Mike Holt Products | Newsletters | Question of the Day | Technical Question Forum | Videos
Visit https://www.mikeholt.com/electrician-toolbox-home.php

09/30/2026

26% got this right [310.10(B)]. When in doubt... check the book! Based on the 2023 NEC
As for me and my House, we will serve the Lord [Joshua 24:15].

Address

3604 Parkway Boulevard, Ste 3
Leesburg, FL
34748

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+18886322633

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