CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER J—ELECTRICAL ENGINEERING (parts 110 to 113) > PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS > SUBPART 111.85—Electric Oil Immersion Heaters (§111.85-1 to §111.85-1) > 111.85-1—Electric oil immersion heaters.

111.85-1—Electric oil immersion heaters.

Each oil immersion heater must have the following:
(a) An operating thermostat.
(b) Heating elements that have no electrical contact with the oil.
(c) A high temperature limiting device that:
(1) Opens all conductors to the heater;
(2) Is manually reset; and
(3) Actuates at a temperature below the flashpoint of the oil.
(d) Either—
(1) A low-fluid-level device that opens all conductors to the heater if the operating level drops below the manufacturer's recommended minimum safe level; or
(2) A flow device that opens all conductors to the heater if there is inadequate flow.

Code of Federal Regulations

[CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28283, June 4, 1996]