what is the purpose of guarding electrical equipment with exposed parts operating at 50 volts or more?
To avoid the risk of accidental shock, live electrical components operating at 50 volts or more must be guarded with covers or other permanent barriers to prevent accidental contact by workers and their tools.
Equipment can also be locked behind an enclosure, in a room, or at an elevated height
Electrical circuits must be locked-out/tagged-out before electricians work on any equipment. is this true or false?
TRUE
What is Locked/Tagged out of electrical equipment?
A locked\tagged out procedure is used to ensure the equipment is turned off and it can’t be turned on without permission, this ensures the electricians will work safely because there won’t be electricity running in the equipment
Electrical circuits must be locked-out/tagged-out before electricians work on any equipment.
If a switch is not in the “on” position, ALWAYS ask a supervisor if it is safe to turn the switch on.
Never attempt to flip a tripped switch especially if it is tagged. Leave this task for trained electricians
- A Lockout Device is a device that positively prevents a machine from being:
A) Started up
B) Becoming electrically energized
C) Turned on
D) All of the above
2. The employees that need LO/TO Training are?
A) Authorized Employees
B) Affected Employees
C) Other employees
D) All of the Above
3. โLockoutโ means โthe placement of a tagout device on an energy-isolating device to indicate that the device and the equipment being controlled may not be operated until the tagout device is removedโ.
A) True
B) False
4. The OSHA Standard that covers โThe control of Hazardous Energyโ is:
A) 1910.120 B) 1910.147 C) 1910.1001 D) 1926.145
5. A โtagout deviceโ is a device that uses a positive mean such as a lock to hold an energy-isolating device in a safe position and prevent the energizing of a machine or equipment.
A) True
B) False
6. โAffected employeesโ are those responsible for implementing the energy-control procedures or performing the service or maintenance activities.
C) True
D) False
7. Which statement is true concerning tagout devices?
A) Tags are only warning devices
B) Tagout devices can always be used in place of lockout devices
C) Tags may be removed by affected employees once LOTO is complete
D) Tags provide equivalent security to using a lock
8. LOTO devices must be labeled to identify the specific employees authorized to apply & remove them.
A) True
B) False
9. Employers must provide LOTO training specific to the needs of four types of employees: โCertifiedโ, โAuthorizedโ, โAffectedโ and โOtherโ.
A) True
B) False
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