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What are time delay intervals associated with a fire pump's energy source transfer?
Is a 2-minute wait time long enough before notating an impairment when the pump doesn't start operating at peak again after shutting down the main power on an annual pump test? Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
2 Comments
Joshua Freedman
11/18/2021 12:08:23 pm
NFPA 25 only says it needs to work but doesn't say how long. You have to look at the electrical code which governs that apparatus, NFPA 70. Transfer from the normal power source to the emergency source must complete within 60 seconds and meet the requirements of Article 701 of the National Electrical Code (NFPA 70). Excerpt from NFPA 70 (2017) below:
Mark Harris
11/18/2021 04:23:04 pm
Great answer Joshua. Appreciate the detail. Leave a Reply. |
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