Each battery charger enclosure must meet §111.01-9. Additionally, each charger must be suitable for the size and type of battery installation that it serves. Chargers incorporating grounded autotransformers must not be used. Except for rectifiers, chargers with a voltage exceeding 20 percent of the line voltage must be provided with automatic protection against reversal of current.

[CGD 94-108, 61 FR 28278, June 4, 1996; 61 FR 36787, July 12, 1996]


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