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It's for fault current calculation in the 70ka range so I think mutual impedance would have an effect.

Because the cable configuration affects the mutal impedance and the grounded tray would affect the zero sequence and I haven't found in any book.

Does anyone know of a reference showing how to calculate impedance of 600V cable in a flat configuration in cable tray, specifically the inductance?

Does anyone have a table showing the overall dimensions for RW (not RHW) wire? It is the type that is tinned copper, rubber, and a braided overall cover. (NEC only has RHW listed) I'm replacing a slate switchboard and all of the feeders are RW wire (about 1920 vintage). I was able to measure...

Does anyone have TCC info for a GE AK-2-75 (3000a) air circuit breaker? GEI 57077. I couldn't anything from GE.

I need to enter GE TKM4 CB in my ETAP library. Does anyone have the TCC in tabular format to spare me the tedius of trying to get it off the curves? I contacted GE but have not received a response.

Thanks. Your software seems to have a more complete library than mine. I am using ETAP. What software did you get your info from?

I am looking for TCC curves for Bussman LPN fuses. These are the old LPN fuses that are not made anymore, not the LPN-RK fuses that are made now. I contacted Bussman and they told me they would look for them, but haven't received anything from them yet. I suspect the old LPN curves are...