Exception: | The following power transmission belts are exempt from WAC 296-307-280 when operating at 250 feet per minute or less: |
(1) Flat belts that are one inch wide or less. | |
(2) Flat belts that are 2" wide or less and are free from metal lacings or fasteners. | |
(3) Round belts that are 1/2" in diameter or less. | |
(4) Single strand V-belts that are 13/32" wide or less. |