112.39-1—General.
(a)
Each battery-operated, relay-controlled lantern used in accordance with Table 112.05-5(a) must:
(1)
Have rechargeable batteries;
(2)
Have an automatic battery charger that maintains the battery in a fully charged condition; and
(3)
Not be readily portable.
Code of Federal Regulations
[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996]