Red Seal Sprinkler Fitter Practice Questions - Red Seal Sprinkler Fitter (Sprinkler System Installer) Exam

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When working with a partially charged or pressurized fire protection system, what is the most important first step before breaking into the piping?

Notify the local utility Close and secure the supply control valve and relieve pressure through a drain Increase the air pressure to test for leaks Paint the pipe to identify it

Correct Answer:

Close and secure the supply control valve and relieve pressure through a drain

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