ECN Forum Forums Code Related Discussion NEC & other Code issues High Voltage Impedance Grounded System

250.186 Calls it a Neutral & says it must be insulated at least up to the resister same as Phase conductors .(250.186 (B)& (C). I also talked to the Manufacturer (Gard) & he agreeded up to the Resister it MUST be insulated same voltage as Phase conductors. It's after the Resister I get mixed info.