OSHA #511 Occupational Safety and Health Standards for General Industry course

How does an interlocking guard enhance safety during machine operation?

1. It allows for continuous machine operation regardless of guard position

2. It prevents the control from being activated until the guard is in position

3. It automatically adjusts to block access when needed

4. It signals the operator to stand clear of the machine

The correct answer is: It prevents the control from being activated until the guard is in position

An interlocking guard enhances safety during machine operation by preventing the control system from being activated until the guard is properly in position. This design ensures that workers cannot operate the machinery while the guard is open or removed, significantly reducing the risk of accidental exposure to hazardous areas and potential injuries. By requiring the guard to be secure before the machine can be started, it provides a crucial layer of protection that helps to safeguard operators and maintenance personnel from dangerous moving parts and other hazards associated with machinery operation. This feature reinforces the necessity of safe practices around machinery and helps maintain a safer workplace environment.