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Subchapter 5. Electrical Safety Orders
Group 1. Low-Voltage Electrical Safety Orders
Article 55. Fixed Electric Heating Equipment for Pipelines and Vessels

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§2527.55. Disconnecting Means.

(a) Means shall be provided to disconnect all fixed electric pipeline or vessel heating equipment from all ungrounded conductors. The branch circuit switch or circuit breaker, where readily accessible to the user of the equipment, shall be permitted to serve as the disconnecting means. Switches used as disconnecting means shall be of the indicating type, and shall be provided with a positive lockout in the "off" position.

(b) The factory-installed attachment plug of cord-connected equipment, rated 20 amperes or less and 150 volts or less to ground is an acceptable means of disconnection.

(Title 24, Part 3, Section 427-55.)

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.


1. Renumbering of former Section 2527.20 to Section 2527.55 filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).

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