The most significant change to the 2002 National Electrical Safety Code (NESC) is in the strength and loading requirements for aerial electric distribution and transmission facilities.
The first thing one notices about Article 305, Temporary Wiring, in the 2002 National Electrical Code is that it is no longer there!
The Canadian Electrical Code Part I gives electrical utilities an exemption from the code for "installations and equipment in its exercise as a utility, located outdoors or in buildings or sections of buildings used for that purpose.”
The International Association of Electrical Inspectors is fortunate to have some outstanding leaders and workers within its membership.