Electrical Installation Wiring Pictures: Switchboard earthing pictures

The PVC cable is not very flexible. It is therefore is installed in the inverted U-shape as in Picture 7. Sometimes the PVC cable is formed into coils between the two mounting bolts to give similar flexibility. ... The specifications for this project requires the use of 3 mm by 75 mm copper tapes as the earthing conductors for all submain circuit. However due to installation difficulties I have allowed the use of PVC copper cables as an alternative to earth the ...
Electrical Installation Wiring Pictures: Switchboard earthing pictures