R 408.41953 Circular table saw guards.

Rule 1953. (1) A circular table saw shall have a hood type guard covering the blade at all times when not in use. When in use, the hood type guard shall enclose that part of the blade above the table and that part of the blade above the material by adjusting automatically to the thickness of the material being cut, or it may be a fixed or manually adjusted hood-type guard if the hood remains in contact with the material. (2) A hood-type guard shall be made of 14-gauge metal or thicker. Plastic may be used if it can resist blows and strains incidental to reasonable operation, adjusting, and handling, and is designed to protect the operator from flying splinters and broken saw teeth. The guard shall be made of material soft enough so that it will be unlikely to cause tooth breakage. (3) The hood shall be mounted so that its operation is positive, reliable, and in true alignment with the saw. The mounting shall be of sufficient strength to resist any reasonable side thrust or other force tending to throw it out of line.