Should I be using IPC Table 6.1 for conductor spacing for high voltage in the z-axis of the pcb?
Or should I be using the approximately 750V/mil spec from the laminate supplier and derate that number?
Board has +/- 1200V.

Thank you.

Kaye Clayo
Sr. P. C. Layout Designer
Keithley Instruments, Inc.
440-498-2862

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