Question 1 of 5
What is the primary reason NEMA 10-20 receptacles are no longer considered a safe standard?
NEMA 10-20 receptacles lack a ground wire, which is a critical safety feature.
Question 2 of 5
What is the voltage rating of a NEMA 10-20 receptacle?
NEMA 10-20 receptacles are rated for 125/250V applications.
Question 3 of 5
Which of the following is a safer alternative to a NEMA 10-20 for new installations?
NEMA 6-20 provides a grounding connection, which is required for new installations.
Question 4 of 5
Which terminal on a NEMA 10-20 receptacle is used for the neutral wire?
The 'W' terminal is connected to the neutral wire.
Question 5 of 5
What is the maximum current rating of a NEMA 10-20 receptacle?
The '20' in NEMA 10-20 indicates the 20-ampere current rating.
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