What is the standard spark gap for this electrode

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Voltage Compatibility: Designed specifically for 460V single-phase electrical systems

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Browning AK41X7/8 Sheave 323613-751 What is the standard sparkThe Browning AK41X7 8 Sheave is a precision engineered single groove cast iron pulley designed for high torque power transmission in light to medium duty HVAC and industrial drive systems. Constructed from high grade cast iron, this AK finished bore sheave features a 3. 95 inch outside diameter and is machined for a 7 8 inch fixed bore size, ensuring a secure fit on standard motor shafts. It is specifically engineered for multi belt compatibility,