R 408.15131 Chain saws generally.

Rule 5131. (1) A hand-held chain saw shall be equipped with a positive-type, on-off ignition switch which is conveniently located on the saw so that the operator can move the switch into the off position without relinquishing a secure grip on the saw. (2) A manual chain oiler control, if provided on a handheld chain saw, shall be located so that it can be operated without relinquishing a secure grip on the saw. (3) A hand-held chain saw shall have a guard that protects the throttle lever from casual contact and from brush or other foreign objects. (4) Each gasoline-powered chain saw shall be equipped with a continuous pressure throttle control system that will stop the chain when pressure on the throttle is released. (5) A hand-held chain saw’s moving parts, such as a flywheel, rotating screen, or clutch, shall be guarded. (6) Each chain saw placed into initial service after July 2, 1996, shall be equipped with a chain brake and shall be in compliance with the requirements of ANSI B175.1 “Safety Requirements for Gasoline-Powered Chain Saws,” 1991 edition, as adopted in R 408.15102.