At this section copper conductors with 240 square millimetres are used.

At this line copper conductors with 127 square millimetres are used.

A bolt of lightning into a huge copper conductor.

A dedicated pair of copper conductors is used to sense every contact and transducer value.

This lamp must possess the quality of requiring only a small investment in the copper conductors reaching it.

For example - It is my understanding that electrons flow in a straight line on silver and steel but spiral around a copper conductor.

A local cable manufacturer donated the copper conductor for the coils.

Since that time, the integrated circuit industry has moved from aluminium to copper conductors.

To save on the cost of copper conductors, a three-wire distribution system was used.

It consists of a 98 kilometers long cable with a single copper conductor of 800 mm2 cross section.