In this section of the JLC Field Guide, we address what is often called the load center or just the electrical panel, but which; includes the service entrance that feeds into, and any subpanels that might feed off of, the main panel.
Learn MoreUpgrading service equipment increases safety and load capacity while bringing the... More
In this guided tour of a distribution panel, a master electrician tells how to make sure an electrical system is wired safely and correctly grounded. More
A photovoltaic system should be properly sized, built to code, and installed so... More
HVAC, electrical, and plumbing systems in a large house are complex. Here's a... More
New York City sidewalks are full of energy—sometimes intentionally, other times not. More
Expanded AFCI requirements; trenching turns deadly in Southern California; nicad... More
Different approaches can work as long as you maintain continuity in the ground. More
Batteries that are recharged by solar panels and a wind generator supply DC power... More
Q: The proposed location for my client's new detached garage is right on top of a buried service-entrance cable. The electric meter is mounted on a pedestal about 100 feet from the house, and a conduit runs to the house through the area where the garage — More
What's the solution when the location of an electrical outlet needs to be adjusted... More