Question 10082 of 1033 · Washington 01 Journey Level Electrician Exam
What is required of a fire pump disconnecting means?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 10082
- B: It must be lockable in the closed position and supervised
Explanation
A fire pump disconnect must be lockable in the closed position, located remote from other disconnects, marked, and supervised to detect if it is opened. The aim is to prevent accidental shutdown of the pump.
More questions: Special Equipment, Pools, PV and EV
- 10083A transformer arc welder has a rated primary current of 50 amperes and a 50 percent duty cycle. The I1eff value is not marked. Using a duty cycle multiplier of 0.71, what is the minimum supply conductor ampacity?
- 10084The OCPD for an arc welder may be rated at not more than what percentage of the rated primary current (I1max)?
- 10085For a feeder supplying a group of arc welders, what percentage is applied to the two largest welders' current?
- 10001Each commercial building and occupancy accessible to pedestrians must have at least one outlet for sign or outline lighting at each tenant entrance. What branch circuit must supply it?
- 10002A branch circuit supplies only neon tubing installations for a sign. What is the maximum rating of this branch circuit?
- 10003What does Article 600 require of the disconnecting means for a sign?