CFR › Title 30 › Part 7 › §7.4530 CFR §7.45Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe following critical characteristics shall be inspected or tested on each battery assembly to which an approval marking is affixed:(a)Thickness of covers and boxes.(b)Application and resistance of insulating material.(c)Size and location of ventilation openings.(d)Method of cell terminations.(e)Strain relief devices for cables leaving boxes.(f)Type, location, and physical protection of cables.