Subpart H —Emergency Equipment
§393.95 Emergency equipment on all power units.
Each truck, truck tractor, and bus (except those towed in driveaway-towaway operations) must be equipped as follows:
(a)(1)(i) A power unit that is used to transport hazardous materials in a quantity that requires placarding (See §177.823 of this title) must be equipped with a fire extinguisher having an Underwriters’ Laboratories rating of 10 B:C or more.
(a)(1)(ii) A power unit that is not used to transport hazardous materials must be equipped with either:
(a)(1)(ii)(A) A fire extinguisher having an Underwriters’ Laboratories rating of 5 B:C or more; or
(a)(1)(ii)(B) Two fire extinguishers, each of which has an Underwriters’ Laboratories rating of 4 B:C or more.
(a)(2) Labeling and marking. Each fire extinguisher required by this section must be labeled or marked by the manufacturer with its Underwriters’ Laboratories rating.
(a)(3) Visual Indicators. The fire extinguisher must be designed, constructed, and maintained to permit visual determination of whether it is fully charged.
(a)(4) Condition, location, and mounting. The fire extinguisher(s) must be filled and located so that it is readily accessible for use. The extinguisher(s) must be securely mounted to prevent sliding, rolling, or vertical movement relative to the motor vehicle.
(a)(5) Extinguishing agents. The fire extinguisher must use an extinguishing agent that does not need protection from freezing. Extinguishing agents must comply with the toxicity provisions of the Environmental Protection Agency's Significant New Alternatives Policy (SNAP) regulations under 40 CFR Part 82, Subpart G.
(a)(6) Exception. This paragraph (a) does not apply to the driven unit in a driveaway-towaway operation.
(b) Spare
fuses. Power units for which fuses are needed to operate any required parts and accessories must have at least one spare fuse for
each type/size of fuse needed for those parts and accessories.
(f) Warning devices for stopped vehicles. Except as provided in paragraph (g) of this section, one of the following options must be used:
(f)(1) Three bidirectional emergency reflective triangles that conform to the requirements of Federal Motor Vehicle Safety Standard No. 125, §571.125 of this title; or
(f)(2) At least 6 fusees or 3 liquid-burning flares. The vehicle must have as many additional fusees or liquid-burning flares as are necessary to satisfy the requirements of §392.22.
(f)(3) Other warning devices may be used in
addition to, but not in lieu of, the required warning devices, provided those
warning devices do not decrease the effectiveness of the required warning devices.
(g) Restrictions on the use of flame
producing devices. Liquid burning flares, fusees,
oil lanterns, or any signal produced by a flame shall not be carried on any
commercial motor vehicle transporting Division 1.1, 1.2, 1.3 (explosives)
hazardous materials; any cargo tank motor vehicle used for the transportation
of Division 2.1 (flammable gas) or Class 3 (flammable liquid) hazardous
materials whether loaded or empty; or any commercial motor vehicle using
compressed gas as a motor fuel.
(j) Requirements
for fusees and liquid burning flares. Each fusee shall be capable of burning for 30 minutes, and each
liquid burning flare shall contain enough fuel to burn continuously for at
least 60 minutes. Fusees and liquid burning flares
shall conform to the requirements of Underwriters Laboratories, Inc., UL No.
912, Highway Emergency Signals, Fourth Edition,
(k) Requirements for red flags. Red
flags shall be not less than 12 inches square, with standards adequate to
maintain the flags in an upright position.
(49 U.S.C. 304, 1655; 49 CFR 1.48(b) and 301.60)
[33 FR 19735, Dec. 25, 1968, as amended at 35 FR 13019, Aug. 15, 1970; 35 FR
14619, Sept. 18, 1970; 37 FR 17176, Aug. 25, 1972; 40 FR 10685, Mar. 7, 1975;
41 FR 53031, Dec. 3, 1976; 47 FR 47837, Oct. 28, 1982; 59 FR 34712, July 6,
1994; 67 FR 61225,