Can I Use a Balance Yoke with my Source Four LED Series 3 Fixture?

Source Four LED Series 3s can be hung with balance yokes, but they require a different balance yoke from other Source Four ellipsoidals due to their unique fixture body shape.  

Balance Yoke for a S4 LED S3:

Part Number: 7462A2021-K
Model number: S4LEDBY

Balance Yoke for Incandescent S4s and S4 LED series 1 and 2:

Part Number: 7060A2028
Model Number: 400BY