O'Reilly logo

Electrical Applications 2 by David W. Tyler

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Materials
and their
applications
in the
electrical industry
43
(a)
(b)
Stranded copper Two stranded copper
conductor conductors PVC
insulated
PVC insulation Central single strand
earth wire
Figure 4.5
House wiring usually comprises copper conductors which are
insulated with PVC (see Figure 4.5).
Polychloroprene (PCP) is used to insulate copper conductors in
farming installations where resistance to ammonia and other such
corrosives is required.
The insulating material in mineral-insulated cables is magnesium
carbonate which spaces solid copper conductors within a copper
tube.
It has a number of advantages amongst which is the ability to
operate at red heat - a property which no other