Terminals on receptacles intended for connection of grounded neutral conductors are required to be identified by which of the following methods?

• A. A terminal is metal or metal coated in a substantially white color
• B. The letter W adjacent to the identified terminal
• C. Where the terminal is not visible, the word White or W next to the hole for the grounded conductor or the entrance hole for the conductor shall be colored white
• D. Any of the above

Answer: (D)

Terminals for the grounded neutral must be clearly identified so you can tell which terminal carries the neutral path. Since the neutral conductor is white, labeling or marking it makes the distinction obvious and reduces the chance of miswiring. You can identify the terminal by coloring it white, placing the letter W next to it, or, if the terminal isn’t visible, labeling near the opening with the word White or the letter W. Any of these approaches satisfies the requirement, so all are acceptable.