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480.8 Racks and Trays
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Racks and trays shall comply with 480.8(A) and (B).
Racks, as required in this article, are rigid frames designed to support cells or trays. They shall be substantial and be made of one of the following:
- Metal, treated so as to be resistant to deteriorating action by the electrolyte and provided with nonconducting members directly supporting the cells or with continuous insulating material other than paint on conducting members
- Other construction such as fiberglass or other suitable nonconductive materials
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