______ switching is performed in substations to provide adequate capacity for customer load, provide an alternate source for customer load when equipment maintenance is required, and to search for 4.8kV grounds.

______ switching is performed in substations to provide adequate capacity for customer load, provide an alternate source for customer load when equipment maintenance is required, and to search for 4.8kV grounds.

• A. Bank
• B. Load
• C. Primary
• D. Secondary

Answer: (A)

Bank switching in a substation means operating a group of transformers or switchgear as a single unit. This allows reconfiguring the supply to meet demand and keeps service reliable: you can add or remove an entire bank to handle higher load or to isolate one bank for maintenance while the other bank continues to feed customers. It also supports safety testing on the 4.8 kV system, since you can switch banks to de-energize a section for grounding or fault finding while still keeping other paths energized. The other terms don’t capture this ability to move the entire bank’s load and to isolate a bank for maintenance or testing; they refer to switching on a different part of the system rather than the entire bank configuration.

Bank switching in a substation means operating a group of transformers or switchgear as a single unit. This allows reconfiguring the supply to meet demand and keeps service reliable: you can add or remove an entire bank to handle higher load or to isolate one bank for maintenance while the other bank continues to feed customers. It also supports safety testing on the 4.8 kV system, since you can switch banks to de-energize a section for grounding or fault finding while still keeping other paths energized. The other terms don’t capture this ability to move the entire bank’s load and to isolate a bank for maintenance or testing; they refer to switching on a different part of the system rather than the entire bank configuration.