Resistance between parallel wires in an insulator?

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The discussion focuses on calculating the insulation resistance between two parallel conductors, specifically copper pins, buried in an insulator like PTFE. The user seeks a formula applicable to this scenario, noting the dimensions of the conductors and their spacing. They mention having found resources for concentric cylinders but not for parallel conductors. There is a question about whether the diffusion equation for heat flow could be relevant to this resistance calculation. The inquiry highlights a gap in available formulas for this specific configuration.
Boltzmann69
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Hi all,

New here...I was wondering if anyone knows a formula to calculate the (insulation) resistance between two parallel conductors buried in an insulator. For example say 2 copper pins of 1mm diameter spaced 2mm apart over a 20mm length in a plastic (ptfe). The numbers/material are not specific to what I want to do just for example purposes.

Any help would be great as I've seen stuff for concentric cylinders but nothing for parallel conductors.
 
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Would it be the same diffusion equation as for heat flow?
 

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