Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 38 - HAND AND PORTABLE POWERED TOOLS
Section R. 408.13823 - Controls

Universal Citation: MI Admin Code R. 408.13823

Current through Vol. 24-16, September 15, 2024

Rule 3823.

(1) A hand-held powered circular saw having a blade diameter more than 2 inches; an electric, hydraulic, or pneumatic chain saw; and a percussion tool without positive accessory holding means shall be equipped with a constant pressure switch or control that will shut off the power when the pressure is released. A gasoline-powered, hand-operated tool shall be equipped with a constant pressure throttle. A throttle position lock may be provided for starting only.

(2) All of the following hand-held tools shall be equipped with a constant pressure switch or control and may have a lock-on control if turn off can be accomplished by a single motion of the same finger or fingers that turn it on:

(a) A powered drill.

(b) Tapper.

(c) Fastener driver.

(d) Grinder with a wheel more than 2 inches in diameter.

(e) Disc sander with disc more than 2 inches in diameter.

(f) Belt sander.

(g) Reciprocating saw.

(h) Saber saw.

(i) Scroll saw.

(j) Jig saw with a blade shank more than a nominal 1/4 inch.

(k) Similarly operating power tools.

(3) Other hand-held powered tools, such as, but not limited to the following, may be equipped with either a positive on-off control or other control prescribed in subrules (1) and (2) of this rule:

(a) A platen sander.

(b) Grinder with a wheel 2 inches or less in diameter.

(c) Disc sander with discs 2 inches or less in diameter.

(d) Router.

(e) Planer.

(f) Laminate trimmer.

(g) Nibbler.

(h) Shear.

(i) Saber saw.

(j) Scroll saw.

(k) Jig saw with blade shank of a nominal 1/4 inch or less.

(4) The operating control on a hand-held power tool shall be located so as to prevent accidental operation, if such operation would constitute a hazard to an employee.

(5) A hand-held power tool shall be disconnected from its power source when it is serviced or the point of operation device is changed by a device or tool, except for a hand-held drill less than 3/8 inch, platen sander, 2 inch belt sander, or scroll saw.

(6) Subrule (1) to (5) of this rule do not apply to the following:

(a) Concrete vibrators.

(b) Concrete breakers.

(c) Powered tampers.

(d) Jack hammers.

(e) Rock drills.

(f) Garden appliances.

(g) Household and kitchen appliances.

(h) Personal care appliances.

(i) Medical or dental equipment.

(j) Fixed machinery or equipment.

Disclaimer: These regulations may not be the most recent version. Michigan may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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