What was the rationale to come up with the numbers 30, 85, 86, 87, 87A ?
Makes no sense at all instead of 'coil', C, NC, NO
I believe is some german thing from late sixties, but never knew the reason. Still carried on...
And schematics show other numbers as nodes...
Makes no sense at all instead of 'coil', C, NC, NO
I believe is some german thing from late sixties, but never knew the reason. Still carried on...
And schematics show other numbers as nodes...
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