The Alternating Current Phase Arrangement on 3-Phase Busses Are ____

question 6

Multiple Choice

The alternating current phase arrangement on 3-phase busses are ____ from front to back, top to bottom, or left to right, as viewed from the front of the switchboard, switchgear, or panelboard.

• A) A, B, C
• B) C, B, A
• C) 1, 2, 3
• D) 3, 2, 1

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Definitions:

Normally Open

A configuration in electrical contacts indicating the default state is non-conductive, closing to complete a circuit when activated.

Inhibit

To prevent or restrict a specific action or operation, often used in the context of controlling processes or reactions.

Enable

To make a device or system operational; to allow a process or function to proceed.

Permanent Contact

A type of electrical contact that remains closed to ensure a constant flow of electricity, typically used in switches or relays.