The National Electrical Code (NEC) provides comprehensive safety standards for electrical installations, including requirements for electrical panels (main service panels and subpanels …

A panelboard is a component of an electrical distribution system which divides an electrical power feed into branch circuits, while providing a protective circuit breaker or fuse for each circuit, in …

Distribution board ... A distribution board (also known as panelboard, circuit breaker panel, breaker panel, electric panel, fuse box or DB box) is a component of an electricity supply …

Browse Schneider Electric and Square D UL listed low voltage circuit breaker and fusible panelboards. Featuring NQ, NF, I-Line, I-Line Combo and QMB panelboards – used in all …

A panelboard is a type of enclosure for overcurrent protection devices and the busses and connections that provide power to these devices and their associated circuits.

Additional information on marking requirements can be found in the guide information for Panelboards (QEUY) and Modular Panelboards (QFOF), which is located on UL Product iQ®.

Sep 26, 2025 · What is an Electrical Panel Board? An electrical panel board is a distribution point that receives power and allocates it across multiple circuits, while offering overcurrent …

Feb 24, 2025 · Without a properly functioning electrical panel board, power distribution becomes unreliable, leading to potential electrical failures or safety hazards. This guide will break down …

Providing robust and flexible electrical distribution solutions, helping to ensure reliable power management and control in diverse industrial and commercial settings.

Dec 10, 2025 · Learn what your electrical panel does, how circuits and amps work, and how to plan upgrades—plus expert advice on smart panels and panel capacity.