Electical Contractor

Hurricane season is over, and the inundation of floodwaters in many parts of the country has likely receded by now. However, evaluating electrical equipment that has been subjected to water and determining whether to recondition the equipment or replace it remains a serious issue.

If you have a problem related to the National Electrical Code (NEC), are experiencing difficulty in understanding a Code requirement, or are wondering why or if such a requirement exists, ask Charlie, and he will let the Code decide. Questions can be sent to codefaqs@earthlink.net.

Arc-fault circuit interrupter (AFCI) protection was originally proposed for the 1996 National Electrical Code (NEC) by the Electronic Industry Association, but it failed to receive enough votes during the adoption process.

If you have a problem related to the National Electrical Code (NEC), are experiencing difficulty in understanding a Code requirement, or are wondering why or if such a requirement exists, ask Charlie, and he will let the Code decide. Questions can be sent to codefaqs@earthlink.net.

The National Electrical Code (NEC) is revised every three years. The renumbering of Table 310.16 to Table 310.15(B)(16) was a significant change in the 2011 edition.

If you have a problem related to the National Electrical Code (NEC), are experiencing difficulty in understanding a Code requirement, or are wondering why or if such a requirement exists, ask Charlie, and he will let the Code decide. Questions can be sent to codefaqs@earthlink.net.

I am writing this article in my hotel room in Anchorage, Alaska, where I just finished a two-day workshop on the changes to the 2011 National Electrical Code (NEC). A number of engineers at the seminar were very interested in the fire-pump requirements as outlined in 695.3 and 695.4.

Sizing conductors is not a difficult task, but more is involved than referencing just one section, one article or even one chapter in the National Electrical Code (NEC). To select the correct conductor size, it is necessary to reference several sections throughout the Code.

As part of the development of the low-voltage lighting power-grid system, coverage and acceptance of the new system within the standards community becomes paramount, since this product is new and innovative.