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Commercial Electrical Inspector
Online Training Course

BUY NOW $449 $329
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Aleksandar Rankovic, PE, MSEEwith Aleksandar Rankovic, PE, MSEE
Industry Experience:
I have 15 years of experience designing and supporting commercial and municipal electrical projects.
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Personal Coaching:
Every page on the course has a chat button. Simply click it if you have any questions. I'll reply within 48 hours. Learn more.
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Flashcard Review System:
The system creates flashcards from missed quiz and practice test questions, then schedules reviews to help you master the difficult concepts.
Time-Tested Course:
I've been running this course since 2022 and have helped many people prepare for the ICC E2 Commercial Electrical Inspector exam.
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Preferred
Education
Provider
Commercial Electrical
55 Hours
5.5 CEUs/PDHs

Personal Coaching

Aleksandar Rankovic, PE, MSEE
Aleksandar Rankovic, PE, MSEE
Commercial Electrical Course Developer

Hello, I'm Aleksandar. My experience includes working with complex electrical systems, emergency power and backup systems, lighting and controls, and medium voltage distribution. Also, I have a Master’s degree in Electrical Engineering.

I'll be your personal coach so you won't be alone in your studies. Scroll down below to see actual coaching conversations where I answered questions to help students understand the material.

I have a question on NEC module 6 regarding overcurrent devices. Under the title Protection of conductors the module states Overcurrent device rating should not be more than the rating of the conductor(20Amp); but later in Standard rating under Illustration 6Y example 1 tells to use a overcurrent device i.e. circuit breaker of 400Amp, but again reverts back to previous statement in example 2. What is the logic behind this?
Aleksandar Rankovic
As stated in the paragraph below the title Protection of Conductors:
“The NEC recognizes several situations where the conductor overcurrent protection can be sized differently. Those are listed in Section 240.4(A)-(G). We will mention just two of these – overcurrent devices rated at 800A or less, and overcurrent devices rated over 800A.”
Section 240.4(B) is used In Example 1 below Illustration 6Y to explain how 240.4(B) is applied.
The 20A rated conductor cannot be protected with a 30A OCPD as 20A is already the standard rating. However, 380A rated conductor is permitted to be protected by a 400A OCPD as 400A is the next standard OCPD rating (see Table 240.6(A)). If we had, let’s say, an 18A rated conductor, the NEC would let us protect it with a 20A rated OCPD.
I need help with this question.
The question is: "Which of the following conductors are not permitted to be installed in parallel?"
Answer 1: 4 AWG THHN copper conductors Answer 2: 4/0 AWG XHHW-2 copper conductors Answer 3: 1/0 AWG THHN aluminum conductors Answer 4: 200 kcmil THWN-2 aluminum conductors
The correct answer is: Answer 1.
My answer was: Answer 2.
the problem I seem to have with sizes is remembering which direction the sizes go is there any recommendations to either put into my book or help that information sink in. Thanks Teresa
Aleksandar Rankovic
Teresa,
The best way, in my opinion, is to look at Table 310.15(B)(16) where the wires are listed from smallest (18 AWG copper, 12 AWG aluminum) to largest (2000 KCM for copper and aluminum).
Hi I have a question in Electrical course module 8 here, ampacities adjustment
By using 310.15(B)(16) and 310.15(B)(2)(a) to determine the allowable ampacities, I basically know how to use these 2 tables together.
The only confusion I have is when I should use the 90 degree temperature rating of conductor to search the allowable amacities? When I should use the 75 degree or 60 degree? It looks to me everytime I do the ambient temerature correction I should use the 90 degree, but I still doubt that, so I want to confirm. Thank you!
Aleksandar Rankovic
You are right - when you apply any of the correction factors (due to the ambient temperature, number of current carrying conductors in the same raceway, or due to the voltage drop), you can use the 90°C temperature column as per 110.14(C) “...Conductors with temperature ratings higher than specified for terminations shall be permitted to be used for ampacity adjustment, correction, or both.“
Thank you so much Aleksandar!
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Full Course Includes

120 Day Course Access
120 Day Course Access
Visual Online Curriculum
Visual Online Curriculum
Flashcard Review System
Flashcard Review System
Coaching
Personal Coaching Passing Guarantee
Quizzes and Tests
Targeted Quizzes & Practice Tests
Audio Instruction
Insightful Audio Instruction
Photos, Graphics, and Illustrations
Photos, Graphics, & Illustrations
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*Our course does not include the required books. You can purchase the books directly from ICC, or from Amazon or eBay.

User Reviews

Pleasant experience

Hi Gabe, I want to inform you that I passed the Commercial Electrical exam yesterday. Attached is my certificate. I want to thank you for the course and the guidance. It has been really a pleasant experience for me.

Thanks again.

S. Khan

Riyadh, Saudi Arabia

Passed

I completed my Commercial Electrical Inspector course. I also passed the ICC Test.

Randy D.

San Diego, CA

Extremely helpful tool

I found the SI Certs Program an extremely helpful tool in obtaining my ICC B2 Commercial Building Inspector Certification. Completing the coursework and practice exams gave me the confidence I needed to pass this difficult exam.

Chris E.

Upland, CA

E2 is DONE

Hey guys, I passed my E2 last week. On to B2 now!!

Aram B.

Glendale, CA

Their customer support is unbelievable!

David W.

This app is perfect and their customer support is unbelievable! All I had to do was follow the class, step by step, and I passed all 3 tests (first try) to become a reinforced concrete inspector. I was extremely nervous about the plans-reading test, but I passed that as well.

I was especially impressed with how helpful these guys are when I had questions. They always respond within a day or two and answer all my questions, even after my paid class had ended. I am now taking their masonry class and so far it is equally impressive. I highly recommend these classes.

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Saint George, UT

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Take the courses!

If you're someone who can study on their own but would like some structure, any SI Certs course is for you. I have purchased all 3 CWI courses and the reinforced concrete course from SI Certs and have passed both the CWI and reinforced concrete exams the first time around. I plan to take another course with SI Certs (PT or masonry) because of the success rate.

P.S. Shout out to Gabe and the SI Certs team. Seriously, the best customer service I have EVER experienced.

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Course Summary

Online Training Hours55 Hours
CEU/PDH5.5 Units
Access Time120 Days
AccessibilityAnytime, Anywhere (not instructor-dependent)
PlatformVisual Online Curriculum
CoachingChat Messaging
AssessmentsQuizzes/Practice Tests
Audio InstructionYes
Code InstructionYes

Course Breakdown

Commercial Electrical Icon

Commercial Electrical Inspection Code Test

55 hours of training | 120 days access

Buy Now $449 $329
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Course Features

Topics

  • NEC Scope & Navigation
  • Conductors
  • Service
  • Branch Circuits
  • Feeder Requirements
  • Wiring Methods
  • Distribution Systems
  • Raceways
  • General Use Equipment
  • Motors and Controllers
  • Special Occupancies
  • Special Equipment
  • Special Systems
  • Low Voltage Systems
  • Test-Taking Preparation
  • Simulated Timed Tests
  • Electrical Terminology
  • Use, Insulations, Markings
  • Grounding & Bonding
  • Calculations, Ratings
  • Equipment Grounding & Bonding
  • Boxes, Enclosures, Conduit
  • Panelboards & Switchboards
  • Cables & Bus Ducts
  • Switches, Receptacles & Light Fixtures
  • Transformers & Generators
  • Health Care & Other Facilities
  • Swimming Pools, Fountains
  • Emergency Systems
  • Fire Alarm, Signaling & Communications
  • PRONTO Testing
  • Testing Strategies

Topics

  • Electrical Terminology
  • Use, Insulations, Markings
  • Grounding & Bonding
  • Calculations, Ratings
  • Equipment Grounding & Bonding
  • Boxes, Enclosures, Conduit
  • Panelboards & Switchboards
  • Cables & Bus Ducts
  • Switches, Receptacles & Light Fixtures
  • Transformers & Generators
  • Health Care & Other Facilities
  • Swimming Pools, Fountains
  • Emergency Systems
  • Fire Alarm, Signaling & Communications
  • PRONTO Testing
  • Testing Strategies
Light Bulb Study Tip

Study Tip

The test is a single, multiple-choice test. The ICC exam code is E2 and the test covers the NFPA 70: National Electrical Code. You will have 210 minutes to complete 80 code questions. The test is open-book.

Required References

The books are NOT included. You can purchase the books from the links below.
NEC 2020 & Tab Combo

NEC 2020 & Tab Combo

NFPA 70: National Electrical Code (NEC) & Tab Combo