Re: IEC 60664-4 concerns

I read in !emc-pstc that POWELL, DOUG doug.pow...@aei.com wrote (in c00d8c6f890dcd488840ec9c5d2b2cc057a...@ftcexc01.aei.com) about 'IEC 60664-4 concerns' on Fri, 13 Jun 2003: I've been studying IEC 60664-4, Insulation coordination for equipment within low-voltage systems - Part 4

IEC 60664-4 concerns

Hello group, I've been studying IEC 60664-4, Insulation coordination for equipment within low-voltage systems - Part 4: Consideration of high-frequency stress. My intent is to determine reasonable safety spacings for air gaps, insulators and thin film insulators at high frequencies. So far,