These days, many houses also have a secondary breaker panel, commonly called a subpanel. I want to build a shop 50 yards away that will include a welder, air compressor, lighting and lots of outlets around the 40x60 shop. This guide dives deep into the world of sub-panels, exploring their design, construction, and cost implications to help you maximize your available space effectively. Determine the right sub - panel size. Amazon. com has been visited by 1m+ users in the past month Our team strives to surprise & delight customers every day with the products they need. Every modern house has a main electrical panel that houses the circuit breakers. We explain how to match electrical load and physical space while respecting main service limits. · an electrical sub - panel is a secondary circuit breaker panel that expands the main circuit breaker panel or gives you a more convenient control point for remote electrical needs, such as an addition , basement, or workshop. The feeder breaker in the main panel acts as the main disconnect for the subpanel. A subpanel connects to the main service panel with a thick three-wire cable. · if your homes service panel doesnt have room for new circuit breakers and you cannot use tandem breakers, a subpanel might be the answer. · there is a subpanel inside the house that also looks like a 200 amp panel. · sub-panels provide a structured way to add electrical, data, and control systems without sacrificing valuable floor or wall space. Automotive, books, fashion, gift cards, music, top brands and more Choose from a wide range of home improvement products, available at amazon. This setup — two power-distribution centers — offers real advantages in some situations. · if youre trying to power an additional room or you just need more circuits, adding an electrical subpanel is a simple way to extend your circuitry, which can power additional rooms and devices.