NFPA 70 National Electrical Code 2020

Description

Introduction
Power, peculiarity related with fixed or moving electric charges. Electric charge is a major property of issue and is borne by rudimentary particles. The electron, which typically carries a charge that is designated as negative, is the particle that is involved in electricity. Consequently, the different appearances of power are the consequence of the collection or movement of quantities of electrons.
The study of electromagnetic phenomena that take place when there are no moving charges for example, after reaching a state of static equilibrium.