Code Quiz: Identification of Fixed Electric Heating Equipment

NEC guidelines on electrically heated pipelines

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

F

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