This article will focus on the details of large-scale support structures for PV and some of the unique challenges for those who build and inspect these large PV projects.
For all protective conductors, including main and supplementary bonding conductors, electricians must perform a continuity test using a low-reading ohmmeter. For main equipotential bonding, there is no single fixed value of resistance above which the conductor would be deemed unsuitable.
This article summarizes the actions and reporting processes required to achieve good results in field evaluations for new, used, and unlisted/uncertified electrical equipment.
My advice to installers is simple but important: Take the time to label the panel correctly. Don’t think of this part of the job as something to do quickly at the end of the installation and without putting much thought behind it. You may just avoid a tragedy if someone can shut something down quickly.
Australia, like many other countries, has experienced many changes within the electrical industry with the privatization of the electrical distribution businesses (power companies)
A sound electrical enforcement program is an essential element in ensuring safe electrical installations, establishing safe electrical work practices, driving performance requirement compliance, and supporting the installation of emerging technology that uses electrical power.
I have spoken with building department officials who have seen an increase of five to ten times in solar permit applications over the last few years. It is a tough task for them to keep up with the volume with no increase in budget or resources.
Let's continue our journey through the National Electrical Code (NEC) by looking at Articles 695, 700, 701 and 702 for Combination Inspectors.
Chapter 5 covers Special Occupancies, including areas such as hazardous locations, medical facilities, carnivals, mobile home parks, and more.