Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
Construction Safety and Health Standard
Part 19 - TOOLS
Section R. 408.41927 - Definitions; G to O

(1) "Grounded" means grounding as required by Construction Safety Standard Part 17 "Electrical Installations," as referenced in R 408.41902.

(2) "Guard" means an enclosure designed to restrain pieces of abrasive wheel and protect the employee in the event of wheel breakage.

(3) "Hammer-actuated piston tool" means a low-velocity, powder-actuated device that, when struck by a heavy hammer and supplemented by a power load, moves a captive piston to drive a fastener into a material.

(4) "Hand tool" means an instrument used or worked by hand.

(5) "Hand-held circular saw" means a hand-held machine that has a circular blade and that is used for crosscutting and ripping.

(6) "Hand-held powered tool" means a tool that is operated by hand, but powered by other means.

(7) "Jack" means a device for lifting and lowering a load or moving it horizontally by application of a pushing force.

(8) "Jointer" means a machine with a revolving cutter head set into an adjustable table over which the material is moved across the cutter head.

(9) "Lockout" means to secure by use of a lock.

(10) "Masonry cutting" means the cutting off, notching, or slotting of units of materials such as brick, tile, block, or refractory shapes where the workpiece is brought into the machine.

(11) "Minimum clear hot stick distance" means the distance from an energized conductor or equipment to the closest hand of the employee holding the hot stick.

(12) "Offhand grinding" means the grinding of any material that is held in an employee's hand.