R 408.12632 Circular metal saws.

Rule 2632. (1) A circular metal saw shall meet all of the following: (a) Have a guard made of material not less than 1/8 inch thick and capable of protecting the operator from broken teeth of the blade and chips. The guard shall enclose not less than the upper half of the blade, including the arbor and nut, and be positioned to stop sparks and chips from striking the operator. (b) Have a water tank below the table or an enclosure to trap sparks and chips. (c) Have a braking means capable of stopping the saw within 20 seconds, or the operator shall stand by until the blade stops. (2) A circular metal saw wheel or blade shall be operated at not more than its rated speed.