Electrician's Licensing Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the Electrician's Licensing Test with comprehensive multiple choice questions and hints. Improve your knowledge, skills, and confidence to excel in your exam!

Start Multiple Choice Practice Test
Start Flash Cards

Practice this question and more.

What does the designation "NEMA 5-20R" indicate about a receptacle?

  1. It can take a NEMA-5-10P plug

  2. It has a voltage rating of 250

  3. It has an amperes rating of 20

  4. It only accepts NEMA-5-15P plugs

The correct answer is: It has an amperes rating of 20

The designation "NEMA 5-20R" indicates a receptacle that is rated for 20 amperes. The "R" denotes that it is a receptacle, and the "5-20" designation means that this receptacle can accept both 15-amp (NEMA 5-15P) and 20-amp (NEMA 5-20P) plugs. This means it is versatile and can accommodate devices that may require either of those plug types. Having a specific amperage rating of 20 is crucial for ensuring that the receptacle can safely handle the current without overheating or causing other electrical issues. In contrast, the other options do not accurately describe the capabilities of a NEMA 5-20R receptacle.

More Questions Like This