|Code Article: 100|
|Code-Wide Revisions of Grounding Definitions|
For the 2008 NEC, changes have been made to the definition and usage of grounding and bonding terminology. Instructor Michael Johnston describes some cases in which simplified definitions allow for more prescriptive requirements.
|Code Article: 110|
|Personnel Doors - Entrance/Egress from Working Space|
Instructor Michael Johnston explains how clarification has been provided in the 2008 Code regarding where a personnel door swinging in the direction of egress must be provided and equipped with simple pressure plate release.
|Code Article: 210|
|AFCI Protection in Dwelling Units|
Michael Johnston, a licensed Master Electrician, addresses the changes to AFCI protection requirements in the 2008 Code. To address the fact that arcing faults create fires in dwelling unit electrical systems, AFCI protection requirements have been expanded to encompass more areas.
|GFCI Protection for Personnel Exceptions Deleted|
|Instructor Michael Johnston explains how, with the deletion of exceptions to 210.8(A)(2) and 210.8(A)(5), the GFCI requirements for receptacles in accessory buildings, garages, and basements have been strengthened. |
|Multiwire Branch Circuits|
Instructor Michael Johnston addresses revisions to the Code requiring simultaneous interruption of all ungrounded conductors associated with a multi-wire branch circuit.
|Code Article: 250|
|Equipment Grounding Conductor Installed with Feeders to Separate Structures|
As a result of changes made to Chapter 2, a new centrally located campus-style power arrangement with feeders to separate buildings or structures must have equipment grounding conductors installed with those feeders. Instructor Michael Johnston addresses this new requirement and the exception that applies at existing installations.
|Code Article: 310|
|Conductors in Raceways on Rooftops|
Among other changes to the Code, instructor Michael Johnston addresses this significant change in which additional correction factors are required to be added to conductors and cables installed in raceways on rooftops. The amount of correction factor is directly related to the distance above the roof in which the conduit is installed.
|Code Article: 406|
|Tamper-Resistant Receptacles in Dwelling Units|
Instructor Michael Johnston introduces this new rule requiring that tamper-resistant receptacles be installed in all areas where receptacles are specified in 210.52.
|Code Article: 626|
|Electrified Truck Parking Spaces|
|Instructor Michael Johnston introduces this new article for the 2008 edition of the Code. Article 626 addresses developing the infrastructure necessary to reduce the need for truck idling. A reduction in truck idling can produce a range of benefits, from lower oil consumption to fewer harmful emissions.|
|Code Article: 708|
|Critical Operations Power Systems|
Instructor Michael Johnston addresses critical operations power systems (COPS) — those systems that are vital for such purposes as safety and national security — as addressed by this new Article. Facilities reliant on COPs include hospitals, 911 operation centers, and others that are crucial, particularly during catastrophic events.
|Code Article: Education|
|Meet Dan Doofus! NFPA's New Electrical Safety PSA|
The National Fire Protection Association is encouraging you to get grounded in the basics of electrical safety. Introducing Dan Doofus, NFPA's new electrical safety spokesman.
|Code Article: Introduction|
|Introduction to Changes|
The Analysis of Changes program is a cooperative venture between NFPA and IAEI. Instructor Michael Johnston introduces the program and its goal to highlight the most significant changes to the 2008 NEC®.