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Federal Signal STH-10 - On top of the FD off of Maybrook Rd. Motor looks single phase even though it sounds like a 3 phase, possibly running on 480v? Photo submitted by OC Sirens.
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Federal Signal STH-10 - On top of the FD off of Maybrook Rd. Motor looks single phase even though it sounds like a 3 phase, possibly running on 480v? Photo submitted by OC Sirens.