When to use security locks? What is the occasion to use security locks

When to use security locks?
Safety locks generally when repair or maintenance of equipment and facilities close by, to prevent unexpected situations could result in injury and use.
 
What occasions security locks?
Several common occasions following cases, be sure to use safety locks:
1. To prevent the device suddenly start, you should use security locks tagout
2. To prevent the sudden release of residual power, it is best to use safety locks should be locked:
3. When must be removed or crossing guards or other safety equipment, safety locks should be used
4. When a part of the body is likely to be caught should be locked when the machine working range:
5. electrical maintenance personnel conducting circuit maintenance, disconnection device should use safety locks
6. When the machine when cleaning or lubrication maintenance personnel with moving parts of the machine, the machine should switch button use security locks
7. maintenance personnel rule out mechanical failure, mechanical equipment should start device use security locks
US Occupational Safety and Health Administration (OSHA) recommends that all companies should be equipped with safety locks for their employees. In the workplace, the selected track using the system is the responsibility of the enterprise. Safety locks is not a power tool extinguished only when the power source is isolated before work can be locked.