Electrical This book has been written for experienced electricians who plan to take a state required exam in order to obtain a Journeyman or Master electrician’s license. We are going on the assumption that you are entering this phase of your career with a basic understanding of the electrical trade and electrical theory. One thing
Master The 2020 Master Electrician Exam Questions and Study Guide will help you prepare for your Master Electrical Exam by providing you with 12 practice exams consisting of 25 question each and 2 final exams with 80 questions each based on the 2020 National Electrical Code®. This book also covers most topics that are included on all MasterRating: 4.1/5(42)
Conduit 1. The optional method of calculation for dwelling units is reserved for ___.
2. When calculating the service-entrance conductors of a farm where all the buildings, including the dwelling, are supplied from a common service, the second largest individual load in the group shall be calculated at _____.
3. The entire area of a service pit located in a commercial major repair garage that is not provided with mechanical ventilation is classified as a _____ location.
4. The MAXIMUM distance conduit seals are permitted to be installed from an enclosure that houses devices that produces arcs or high-temperatures in a Class I, Division 1 location is _____.
5. Where three (3) switches are grouped or ganged in an outlet box without permanent barriers, the voltage between the adjacent switches shall NOT exceed _____.
6. In order to determine the adequate size of a junction box containing size 4 AWG THWN copper conductors, the volume allowance, in cubic inches, required per conductor is _____.
7. Given: You are to install an underground run of trade size 2 in. Schedule 40 PVC conduit containing 120/240-volt, single-phase service-entrance conductors supplying a one-family dwelling.
8. Where an eye-bolt is provided as a means of attachment of 120/240-volt, single-phase residential service-drop conductors, in no case shall this point of attachment be less than _____ above finished grade.
9. Given: You are to install four (4) size 350 kcmil THWN copper conductors in a run of rigid metal conduit (RMC). What is the MINIMUM trade size RMC required to enclose the conductors for this installation?
10. Where size 2 AWG THWN/THHN copper conductors, protected by a 100 ampere rated circuit breaker, are enclosed in a Schedule 40 PVC conduit to supply an air-conditioning unit, what is the MINIMUM size copper equipment grounding conductor required for this installation?
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Conductors 1. Where insulated power and lighting conductors are installed in raceways, an ampacity adjustment must be applied where _____. I. there are more than three (3) current-current carrying conductors in the same raceway.
2. According to the Code, flexible metal conduit (FMC) enclosing circuit conductors is not approved for use as a type of an equipment grounding conductor in lengths exceeding _____.
3. Where a single 125-volt, single-phase, 20-ampere receptacle outlet located in an attached garage of a dwelling unit is provided for a central vacuum assembly, the receptacle outlet is required to have _____.
4. Where Type NM cable is used as the wiring method for "home runs" for power and lighting branch circuits in a dwelling, the minimum size copper required is _____.
5. When single-phase, 125-volt, 15- or 20-ampere receptacles are housed in a device box located outdoors in a wet location, the receptacles shall have an enclosure that is listed as _____ whether or not the attachment plug cap is inserted.
6. For one-family dwellings supplied by a single-phase, 120/240-volt system, and having a 200-ampere rated inverse time circuit breaker for the main disconnecting means, what minimum size THWN aluminum conductors are permitted for use as ungrounded service-entrance conductors?
7. If a 1¾ in. deep, single-gang, Type FS device box houses a duplex receptacle, how many insulated size 12 AWG conductors are permitted to be enclosed in the FS box?
8. The required 15- or 20-ampere receptacle outlet for a peninsular countertop or work surface in the kitchen of a dwelling must be located not further than _____from the outer edge of the peninsular countertop.
9. In compliance with the rules established by the NEC®, all 120-volt, single-phase, 15- and 20-ampere branch circuits supplying outlet or devices in specific areas or rooms of a dwelling unit shall be provided with arc-fault circuit-interrupter protection.
10. The Code mandates a clearly labeled emergency disconnect is to be provided at each service for one- and two-family dwelling units. The emergency disconnect is permitted to be installed _____.
Question 2020 MASTER ELECTRICIAN’S EXAM PREP GUIDE. This comprehensive self-study exam prep guide is based on the 2020 edition of the National Electrical Code® and contains twelve (12), twenty-five question practice tests and two (2) 100 question final exams, with types of questions you will encounter on actual licensing exams. This book is the best
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Electrical Mike Holt worked his way up through the electrical trade from apprentice electrician through electrical contractor, to become one of the most recognized experts in the world as it relates to electrical power installations. He was a Journeyman Electrician, Master Electrician, and Electrical Contractor. In 1974, Mike realized there was a need for quality electrical training …
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The Master Electrician Exams are a group of state-specific examinations that are used to determine whether or not an individual possesses the skills and knowledge necessary to work as a certified or licensed master electrician within a particular state. Prepare with our Master Electrician Study Guide.
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