R 408.12729 Inverted swing cut-off; jump saws; underslung saws.

Rule 2729. A hood type guard shall be securely fastened to the table that will cover the blade when running idle. The hood or guard shall extend not less than 2 inches in front of the saw teeth when the blade is in back position. A traveling guard shall move with the blade over the material and cover the exposed part of the blade above the material. The width of the hood shall be limited to provide not more than 1/4 inch clearance on each side of the blade.