overcurrent devices

Whats Another Name For A Service Overcurrent Device?

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Whats Another Name For A Service Overcurrent Device? Overcurrent protective devices, or OCPDs, are typically used in main service disconnects, and in the feeders and branch circuits of electrical systems for residential, commercial, institutional, and industrial premises (Figure 5.3). Figure 5.3. Overcurrent protection devices include circuit breakers and fuses. What are overcurrent devices? An overcurrent

Is Selective Coordination Required?

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Is Selective Coordination Required? Selective coordination is required for systems related to life safety (as defined in the NEC), and is achieved when an overcurrent on a circuit is interrupted and only the closest upstream device opens such that only the section of the electrical system with a problem is taken offline. Is selective coordination