Can a panelboard be located “you fill in the blank?” How often have you heard this question? Let’s take a look at some of the rules on panelboard placement contained in the National Electric Code (NEC).
To support the ongoing construction of shelter and to maintain existing shelter, we must keep the infrastructure working. We must keep the electricity, gas & water flowing. Grocery stores and fueling stations must be kept open. Inspection by the Building Department is involved at some point for all of these critical functions.
In order to truly understand the implications of the changes to the measuring provisions of Section 210 in the 2020 National Electrical Code (NEC), one must go back and review how we arrived at that point.
Our role as inspectors plays a vital role in assuring that homeowners and the public are safe from electrical hazards. Being an informed inspector by knowing what the NEC says and why changes occur is critical to your continued role in this process.
Let’s look at the basics of a grounded 480/277 V to 208/120 V wye-type transformer supplying a panelboard in a typical retail or office space.
My two weeks spent doing field inspections involved long days and many stories. As a volunteer, I was always well received by the people of New Orleans.
Sometimes inspectors are not fully appreciated and/or recognized for our efforts. Some view us as the bearers of bad news; or, more often, see us as the epitome of intolerance, rigidness, and inflexibility.
The primary functions of recognized testing laboratories and field evaluation bodies are that they both perform product safety testing of equipment.
Those of us in the inspection community and those associated with the inspection community, including inspectors at all levels, chief inspectors, building officials, and administrators responsible for funding, need to work diligently to increase the competency and quality of our inspection process and our inspection force.
Working with electrical systems has inherent risks, and working with Renewal Energy (RE) systems is no exception. This article offers a look into the installer’s world of required electrical safety guidelines and procedures.