The electrical junction box is the place where all the wires in a room, or wiring area, are joined together and fed by the main breaker . Junction boxes can then be called a control room of sorts. They send power from the main breaker to the other parts of the room.What is a J box electrical?
Junction Box (J-Box) (Electrical) An enclosure used to house the termination points of electrical cables and components that may also contain electrical components required for system operation.What is a small electrical junction box?
A small metal or plastic junction box may form part of an electrical conduit wiring system in a building, or may be buried in the plaster of a wall, concealed behind an access panel or cast into concrete with only the lid showing. It sometimes includes terminals for joining wires.Are junction boxes required?
Junction boxes are typically required unless the fixture itself contains a junction box (very common with fluorescent fixtures), where the fixture's base has an accessible junction enclosure. Both of those lights probably aren't original as it'd be rare that the house would be built or pass inspection...