Children's Health | Electrical System Operations 201

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Question 1 of 8

1. Question
When changing a ballast, is the technician safe if the hot wire is disconnected?
- No; the neutral wire can carry current on a live lighting circuit, and the technician should disconnect both the hot and neutral wires when changing a ballast.
- Yes; disconnecting the hot wire ensures current can no longer travel through the circuit.
- Yes; changing a ballast is not a dangerous procedure, and disconnecting the hot wire is an extra precautionary step.
- No; the technician is not safe unless the full lock out and tag out procedure is performed.
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Question 2 of 8

2. Question
During a loss of normal power, which of the following procedures should be implemented to ensure emergency power is supplied to the facility?
- (1) verify the generator has started, (2) inspect transfer switches to ensure all have transferred appropriately, and (3) verify equipment functionality by rounding in mechanical spaces and throughout the facility
- (1) check for generator faults, (2) record the time and tank fuel level, and (3) round the hospital and spot check emergency power
- (1) ensure that critical care areas have power and (2) call the utility company to verify they’re aware of the outage
- (1) call all critical care areas to verify they have power, (2) view and record the generator fuel level, (3) report the outage to the utility company, and (4) inform all necessary off-site parties
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Question 3 of 8

3. Question
Which of the following maximum time intervals is expected to lapse before a corridor light, on a life safety circuit, turns on during a normal power outage?
- within 10 seconds
- within 1 second
- within 15 seconds
- within 30 seconds
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Question 4 of 8

4. Question
How do you reverse the rotation of a three phase motor?
- Reverse any two of the three leads
- Turn it around
- Reverse two of the four leads
- Reverse all of the leads
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Question 5 of 8

5. Question
For conductors in a conduit, what is the percentage of allowable fill?
- 80%
- 31%
- 40%
- 90%
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Question 6 of 8

6. Question
On a three way switch, what is the same colored terminals that act as connecting points for two wires called?
- Traveler
- Ground
- Connector
- Conduit
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Question 7 of 8

7. Question
What color should a high leg always be marked?
- Orange
- Green
- Red
- Black
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Question 8 of 8

8. Question
How many degrees of maximum bend are allowed in a run of conduit between pull points?
- 360°
- 90°
- 480°
- 120°
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Children’s Health | Electrical System Operations 201

Children’s Health | Electrical System Operations 201

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