(a) Battery-powered equipment shall use battery assemblies approved
under Part 7 of this chapter, or battery assemblies
accepted or certified under this part prior to August 22, 1989.
(b) Battery box covers shall be secured in a closed position.
(c) Each wire or cable leaving a battery box on storage
battery-operated equipment shall have short-circuit protection in an
explosion-proof enclosure located as close as practicable to the battery
terminals. A short-circuit protection device installed within a nearby
explosion-proof enclosure will be acceptable. In no case shall the exposed
portion of the cable from the battery box to the enclosure exceed 36 inches
in length. Each wire or cable shall be protected from damage.