Electrical Wiring Diagrams For Light Fixtures. A lighting circuit can serve up to 12 x 100w bulbs. The above image correlates to the items listed below.
This does not include the light switches which should be wired in switch. The switch loop is a 3 wire cable to comply with nec requirements of a neutral in all new switch boxes. I got my incoming power romex 142c and two other 142c coming into my octagon box which is for a bed lamp.
Electricity is our enemy if you give it a chance to.
For example a home builder will want to confirm the physical location of electrical outlets and light fixtures using a wiring diagram to avoid costly. They are also useful for making repairs. This drawing shows the wiring for adding a new light and switch with the fixture coming first in the circuit. Have students produce a basic wiring diagram.