When wiring a High Voltage Wye AC Motor, what lead numbers are spliced together?

In wiring a High Voltage Wye AC Motor, the correct leads to be spliced together involve the terminal configurations specific to the motor's design. The choice that includes splicing (T4, T7), (T5, T8), and (T6, T9) corresponds with the way to properly connect the motor to a three-phase power supply when in a Wye configuration.

In a Wye connection, the ends of the motor windings are connected together at a neutral point, while each of the phases connects to the power supply. The selected leads reflect the manner in which each winding's terminal is joined to ensure the motor operates effectively and safely under high-voltage conditions.

Correctly splicing these leads is essential to maintain the right phase relationships in the motor's operation. This ensures that the motor runs efficiently and reduces the risks of failure caused by improper wiring.