Audel Electrician's Pocket Manual
Chapter One
I. ELECTRICAL LAWS
An important foundation for all electrical installations is a
thorough knowledge of the laws that govern the operation
of electricity. The general laws are few and simple, and they
will be covered in some depth.
The multiple and various methods of manipulating electrical
current with special circuits will not be discussed in
this chapter. A number of them will be covered in Chapter 2.
Coverage will be restricted to subjects that pertain to wiring
for electrical construction and to basic electronics. While
there are obviously many other things that can be done with
electricity, only those things that pertain to the installers of
common electrical systems will be covered.
The Primary Forces
The three primary forces in electricity are voltage, current
flow, and resistance. These are the fundamental forces that
control every electrical circuit.
Voltage is the force that pushes the current through electrical
circuits. The scientific n ... read full excerpt from Audel TM Electrician's Pocket Manual, All New 2nd Edition ebook
