How is the turns ratio found during a polarity check?

The turns ratio during a polarity check is determined by dividing the input voltage by the difference in voltage readings. This method provides a clear way to relate the primary and secondary windings of a transformer by understanding how the voltage levels change relative to one another.

When conducting a polarity check, it is essential to accurately assess the relationship between the voltages to ensure proper transformer operation and polarity. The correct calculation allows linemen to verify that the transformer is connected in a way that maintains the expected voltage levels and ensures safety and efficiency in electrical systems.

The distinction between input and the difference is crucial, as it clarifies how much of the input voltage is effectively transformed through the winding turns to produce the output voltage. Thus, using the difference allows for a clear understanding of the operational characteristics of the transformer, which is vital for maintaining system integrity.