Question 1103 of 731 · Texas Journeyman Electrician Exam
NEC 110.3(B) requires that listed or labeled equipment be installed and used:
Exactly one answer is correct.
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Correct answer to question 1103
- C: In accordance with any instructions included in the listing or labeling
Explanation
110.3(B) requires listed or labeled equipment to be installed and used according to the instructions included in its listing or labeling. Installing contrary to those instructions is a Code violation.
More questions: Definitions, Theory and Plans
- 1104Unless the equipment is listed and marked otherwise, terminations for circuits rated 100 amperes or less (or 14 AWG through 1 AWG conductors) are based on which conductor temperature rating?
- 1105For circuits rated over 100 amperes, or conductors larger than 1 AWG, terminations are generally based on which conductor temperature column?
- 1106Copper and aluminum conductors may be joined in the same terminal or splicing connector only when:
- 1108The required depth of working space in front of a 120/240-volt panelboard (150 volts or less to ground) is, for all conditions:
- 1109A 480Y/277-volt panelboard has exposed live parts on one side of the working space and a grounded concrete wall on the other (Condition 2). What is the minimum depth of working space?
- 1110Equipment at 277 volts to ground has exposed live parts on both sides of the working space (Condition 3). The minimum working space depth is: