Fill in the blanks with the appropriate answers.
The presence of electrically heated pipelines, vessels, or both, shall be evident by posting of appropriate ________ signs or markings at intervals not exceeding ___ along the pipeline or vessel and on or adjacent to equipment in the piping systems that require periodic servicing.
A) warning / 10 ft
B) danger / 15 ft
C) caution / 20 ft
D) none of the above
Find the Answer
Answer: C
As per Sec. 427.13 of the 2014 NEC, “The presence of electrically heated pipelines, vessels, or both, shall be evident by posting of appropriate caution signs or marking at intervals not exceeding 20 ft along the pipeline or vessel and on or adjacent to equipment in the piping systems that require periodic servicing.”
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].