BACK TO CATEGORIES Photo ID: 1484 (Click photo to view original size.) Category: Machine Guarding Hazard: Interlock device was repaired and tested to ensure that it stopped the machine when the hood was opened. Standard Violated: 1910.212(a)(4) Corrective Action: Interlock device was repaired and tested to ensure that it stopped the machine when the hood was opened. Description: photo shows interlock switch on a mold machine. The switch had not been properly maintained and failed to stop the machine when the hood was opened, exposing employees to moving parts.