The following questions are from “Mike Holt’s Illustrated Guide to Electrical Exam Preparation: Theory • Calculations • Code”, Includes Mike’s NEC Practice Questions Workbook.
Mike explains Theory, Calculations and Code in colorful illustrations and easy to understand chapters.
This book covers
- Electrical Theory
- Electrical Circuits
- Alternating Currents
- Motors and Transformers
- NEC Calculations:
- Raceway and Box Calculations
- Conductor Sizing and Protection
- Voltage Drop Calculations
- Motor and Air Conditioning Calculations
- Dwelling Unit Calculations
- Multifamily Dwelling Calculations
- Commercial Calculations
- Transformer Calculations
- 20 Practice Quizzes
- 5 Practice Exams
Practice on the following questions and try your best to apply the tips and tricks you have learned here on our blogs to find the answers.
Exam Prep Quiz 2
1. A feeder supplying fixed motor load(s) shall have a protective device with a rating or setting _____ branch-circuit short-circuit and ground-fault protective device for any motor in the group, plus the sum of the full-load currents of the other motors of the group.
a. Not greater than the largest rating or setting of the
b. 125 percent of the largest rating of any
c. Equal to the largest rating of any
d. None of these
2. EMT shall not be used where_____________.
a. Subject to severe physical damage
b. Protected from corrosion only by enamel
c. Used for the support of luminaires
d. Any of these
3. Overcurrent devices for legally required standby systems shall be _____with all supply-side overcurrent devices.
a. Series rated
b. Selectively coordinated
c. Installed in parallel
d. Any of these
4. Where PV source an output circuits operating at greater than ___________ are installed in a(n) _______ location, the circuit conductors must be guarded or installed in a Chapter 3 wiring method.
a. 30V, accessible
b. 30V, readily accessible
c. 60V, accessible
d. 60V, readily accessible
5. Electric pipe organ circuits shall be arranged so that 26 AWG and 28 AWG conductors are protected from overcurrent by an overcurrent device rated not more than _______.