COMMERCIAL WIRING EXAM QUESTIONS AND 100%
CORRECT ANSWERS|2025/2026|GUARANTEED A+
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
CORRECT ANSWERS|2025/2026|GUARANTEED A+
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
