________ are used to redirect or cut off power flows for load balancing or sectionalizing so equipment can be isolated for maintenance or testing.

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Disconnection devices are used to physically separate a portion of a circuit so it can be worked on safely. A disconnect switch provides a clear, visible break in the line and can be opened to redirect power flows or isolate a section for maintenance or testing. This makes it possible to balance loads or sectionalize the network without energizing the isolated part.

Fuses interrupt current by blowing when overloaded, but they are sacrificial and not meant to provide a controllable, reusable isolation point. Circuit breakers protect against faults and may trip to interrupt a circuit, which is automatic and not primarily about intentional isolation for maintenance. Reclosers automatically restore power after a fault, so they aren’t used to create a deliberate, safe isolation for maintenance.