Transfer Switch Services Are Crucial Part of Emergency Power System Maintenance

In relation to back up generators, a transfer switch is a device that switches a building's electricity supply from commercial power to generator power, and vice versa. All large-scale generators have transfer switches, which are either manual or automatic, and typically operate in one of two scenarios: break before make, in which commercial power is de-accessed prior to generator power being accessed; and make before break, in which generator power is accessed prior to commercial power being de-accessed.

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