Question 3026 of 229 · California Water Distribution Operator Exam
What must be done before working on an electric motor or pump?
Exactly one answer is correct.
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Correct answer to question 3026
- D: Lock out and tag out the power source
Explanation
Lockout/tagout prevents accidental startup and is required by Cal/OSHA. Only the person who applied the lock removes it.
More questions: Equipment Operation, Maintenance and Inspections
- 3027What should be checked before starting a standby generator for a routine test?
- 3028Why must a standby generator never be connected to a building panel without a transfer switch?
- 3029What routine attention do in-line chlorine analyzers need?
- 3030What is proper backfill practice around a newly installed pipe?
- 3031What is the purpose of pipe bedding?
- 3032Which finding during inspection shows that a pipe is damaged and should not be installed?