Definitions

1. noun

A type of electrical distribution board, typically used in commercial or industrial settings, that houses circuit breakers, switches, and other electrical components.

“The electrician installed a new panelboard to upgrade the building’s electrical system.”

2. noun

A flat, usually rectangular, board or panel used for a particular purpose, such as displaying information or housing components.

“The control panelboard in the aircraft cockpit was used to monitor and control various systems.”