Home Electricity Power lines porcelain insulator 3 porcelain insulator 3 Description Save Horizontal Porcelain Insulator Format DWG File size 352.20 KB DOWNLOAD DWG share your appreciation Related Posts aerial underground connection 110 kv bar. electrical substation Detail of medium tension structures electrical substation Assembly of substation bipost type sab-3a Transformer Bank Pedestal bipost sub station 25kva pole electrical substation 33 kv post insulator steel structure support. generator set electrical substation Medium tension structure for deflection construction details Typical retained medium and low tension 3d electrical substation Pedestal type transformer detail Medium voltage underground tap-offs (j4's) underground aerial substation transformation post Three-phase transformer in oil bath 400kva