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  • floor may have exposed parts. Handlamps of the portable type supplied through flexible cords must be equipped with a handle of molded composition or other material approved for the purpose, and a substantial guard must be attached to the lampholder or the handle. Lampholders of the screw-shell type must be installed for use as lampholders only. Lampholders installed in wet or damp locations must be of the weatherproof type. Fixtures installed in wet or damp locations must be approved for the purpose