These cables are used for distributing power to the light fixture the wall switch and may provide power to wall receptacle outlets as well.
Wiring ceiling light junction box.
Advice on wiring electrical junction box with easy to follow junction box wiring diagrams including information on 20 and 30 amp junction boxes.
The round or octagonal box houses lightweight fixtures or safety devices in the ceiling.
How to wire an electrical junction box.
Ceiling light fixture electrical wiring and connections.
They provide much more room for wiring than shallow round pan boxes and can be used as junction boxes.
Metal boxes are suitable for surface mounted installations using metal conduit.
A ceiling box is for heavier fixtures such as ceiling fans or chandeliers.
A junction box is used to add a spur or to extend circuits and direct power to lights and additional sockets.
Octagon and standard size round boxes range from 1 1 2 to 3 inches deep and are the standard box for ceiling or wall mounted light fixtures weighing up to 50 pounds.
An alternative method this uses the same wiring principles as the looped ceiling roses but here the connections are made in junction boxes rather than the ceiling rose.
Be sure to choose a ceiling box that is made to support extra weight.
These are used for lights or smoke and carbon monoxide alarms.
Lighting circuits using junction boxes.
Depending on the age of the home there may be one or more cables found in the ceiling junction box.