Exam (elaborations)
COMMERCIAL WIRING CHAPTER 5 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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COMMERCIAL WIRING CHAPTER 5 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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COMMERCIAL WIRING CHAPTER 5QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
What does abbreviation NEMA Stand for - ANSWER National electrical manufacturer association
What is the purpose of NEMA in the electrical industry - ANSWER Develop standard for the configuration
of lucking and unlocking plug and receptacle
What are the difference in the plug and receptacle Based on - ANSWER The Ampacity and voltage rating
of the device.
Configuration also ensure receptacle of low voltage or ampere rating Are not interchangeable with
receptacle having a higher rating - ANSWER True
Two of the most commonly used receptacle are the NEMA the 5-15R and the NEMA 5-20R - ANSWER
True
The NEMA 5-15R Receptacle has ________ 125-volt rating and has two parallel slot and a ground pinhole
- ANSWER A 15 ampere
NEMA 5-15R Receptacle will accept ________ plug only - ANSWER 5-15P
The NEMA 5-20R Has two parallel slot and a ___ - ANSWER T slot
The NEMA 5-20R is rated at ________amps and 125 volt - ANSWER 20
The NEMA 5-20R Will accept either a NEMA 5-15P or a 5-20P - ANSWER True
Which nec code article Permit the installation of either NEMA 5-15R Receptacle on a -20 ampere Branch
circuit - ANSWER Table 210.21 (B) (3)
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