28-04 Electrical Emergencies Flashcards
When should a hydro service provider be requested during electrical emergencies?
a. Only if the incident involves a fire
b. Anytime there are associated electrical concerns
c. Only during business hours
d. After assessing the situation for at least 15 minutes
B
What is the primary concern in handling electrical emergencies?
a. Minimizing property damage
b. Rescuing victims as quickly as possible
c. Ensuring the safety and well-being of personnel from electrical hazards
d. Speeding up response time
C
What action should personnel take when dealing with electrical equipment they are unfamiliar with?
a. Attempt to shut it off immediately b. Seek guidance from the Communications Centre
c. Wait for a hydro service provider to arrive
d. Disengage the equipment as quickly as possible
C
When can personnel enter a residential structure fire to shut off the main electrical panel?
a. Always, without any precautions
b. Only when specifically instructed by the incident commander
c. After assessing the situation for potential hazards
d. When it is safe to do so
D
How should personnel treat objects in contact with a kiosk or pad mount transformer at above ground electrical incidents?
a. Assume they are de-energized
b. Treat them as energized
c. Ignore them until the hydro service provider arrives
d. Touch them to confirm their status
B
What is the recommended action concerning downed wires?
a. Personnel can handle them with proper safety gear
b. Approach cautiously to assess the situation
c. Shall not handle or enter dangerous proximity
d. Attempt to pull them away from the incident scene
C
Why should personnel not pull meter mechanisms to cut power?
a. It is time-consuming
b. It may cause explosive arching, resulting in severe injury or death
c. It is not effective in cutting power
d. It violates safety protocols
B
What action should personnel take regarding victims in electrical emergencies?
a. Ignore them until the hydro service provider arrives
b. Initiate and maintain verbal contact, where appropriate
c. Wait for instructions from the incident commander
d. Focus solely on power disconnection
B
What may be used to support rescue operations in electrical emergencies?
a. Water-based fire extinguishers
b. Conductive materials
c. Non-conducting fire extinguishing techniques and/or agents
d. Metal tools
C
Why is providing a detailed description of the incident location important?
a. To impress the hydro service provider
b. To ensure accurate and proper electrical isolation procedures
c. To speed up the response time
d. To avoid paperwork
B
What is the initial action the Incident Commander should take in case of a suspected or confirmed fire in a building substation (hydro vault)?
a. Establish a hot zone and evacuate the zone
b. Prevent the vault door from being opened
c. Prevent entry into the vault
d. Have Hydro respond to de-energize the vault
e. Protect exposures if required
f. Only enter the vault if necessary and after consultation with Hydro
g. Recall elevators to the ground floor and avoid using them below grade
All the above
What is the primary consideration for the Incident Commander when dealing with a suspected or confirmed fire in a building substation (hydro vault)?
a. Minimizing property damage
b. Confirming the cause of the fire
c. Ensuring Hydro representatives arrive promptly
d. Ensuring the safety of personnel from high voltage electricity and the possibility of an explosion
D
What should the Incident Commander do for a rescue inside a vault with no fire conditions?
a. Treat as a confined space entry until proven otherwise
b. Call for hydro to respond and de-energize the equipment
c. Wait for Hydro to respond if it’s a body recovery based on “Obvious Signs of Death”
d. Attempt to remove from outside the vault by pike pole, etc.
e. If entry is required, use extreme caution and do not make contact with electrical equipment
A,b,D,e
What action should be taken concerning the vault door during a fire in a building substation (hydro vault)?
a. Keep it open for ventilation
b. Open it immediately to assess the situation
c. Prevent it from being opened until power is confirmed shut off by Hydro representatives
d. Close it to contain the fire
C
When can elevators be used below grade if a building is experiencing an electrical fire in a hydro vault or the elevator or in the building’s electrical service?
a. Anytime, as long as there is no visible fire
b. Only if approved by the building owner
c. Never, regardless of fire visibility
d. When authorized by the Incident Commander
C
