August Issue 2009


Spring 2008 delivered the perfect storm to Iowa. A Memorial Day EF5 tornado leveled...

Sort by
| August 2009
In section 250.52(A)(2) of the 2005 and the 2008 editions of the National Electrical Code (NEC), the metal frame of a building or structure is considered to be a grounding ele

| August 2009
A group of apprentices asked if there is an easy way to locate equipment and wiring method requirements in the Na-tional Electrical Code (NEC).

, , , ,
| August 2009
As stated in the introduction, the purpose of the National Electrical Code (NEC) is the practical safeguarding of people and property from hazards arising from the use of ele

| August 2009
Article 230 Services; Article 240 Overcurrent Protection; Article 250 Grounding and Bonding; Article 330 Metal-Clad Cable: Type MC; Article 350 Liquidtight Flexible Metal Cond

| August 2009
The United States officially joined the International Renewable Energy Agency (IRENA) on June 29, 2009, increasing the number of countries participating in the organization to