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Safety Notice for Eaton and Square D Brand Safety Switches

The WVU Environmental Health & Safety Department  has received information regarding Eaton Heavy Duty 30A and 60A Safety Switches and Schneider Electric Square D Brand General Duty Safety Switch 30/60A, 120/240Vac, NEMA 3R. These safety switches can potentially supply power when the handle is in the “off” position, subjecting the operator of the switch or any downstream equipment to risk of serious bodily injury or death.

As a reminder to anyone performing Lock Out Tag Out (LOTO) job tasks, the authorized employee shall “Verify” that the equipment is in a zero energy state prior to performing service or maintenance on the equipment.


Inspection of installed units should only be performed by qualified individuals. Apply appropriate personal protective equipment and follow safe electrical work practices. Verify unit is de-energized prior to any inspection. Failure to follow these instructions will result in serious bodily injury or death.

For any questions regarding these safety notices, contact:

Tim Dawson
Health and Safety Manager
WVU Environmental Health Safety