eli5 What is the difference between delta and wye connection?

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eli5 What is the difference between delta and wye connection?

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My experience with them was in building resistance heaters.

In the delta configuration, the resistors are essentially in a triangle. Each resistor”s ends connect to the other two resistors. The power connected where two resistors connected together. Essentially the points of the triangle.

In a wye configuration, the resistors all three connect on one point, and the power is hooked to the other end of each resistor. The resistors basically formed a Y and the power connects to each single end.