Wisconsin Machine Guarding laws & safety compliance analysis

Wisconsin Machine Guarding: What you need to know

Comparison: State vs Federal

Wisconsin does not have a federally approved occupational safety and health regulatory program for the state; therefore, private sector workplaces must comply with federal occupational safety and health standards.

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Wisconsin's safety and health rules govern public sector (state and local government offices and operations) workplaces. The state has adopted the federal machine guarding rules by reference (SPS 332.50) and has adopted additional rules that are stricter than federal rules for power supply, counterweights, guarding of hot pipes, preventing automatic restart, maintenance, and woodworking machines.

The U.S. Department of Labor/Occupational Safety and Health Administration (OSHA) administers and enforces federal workplace safety and health requirements in private sector workplaces. The Wisconsin Department of Safety and Professional Services (DSPS) administers the state workplace safety and health rules for public sector workplaces.

State Requirements
SPS 332.33

Disconnection of power

Every machine must be equipped with a loose pulley, clutch, switch, or other means within reaching distance of the normal operating positions of the operator to disconnect the power source.

Machines on which two or more persons work must be equipped with one or more controls so located that more than one of these persons can quickly disconnect the machine from the source of power.

Counterweights, tension weights, and springs

Every counterweight exposed to contact must be enclosed or be equipped with a safety device attached independently of the counterweight support, which must prevent the weight from falling to a point of less than 7 feet (ft) from the floor or working level.

Every tension ...

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