As a landscape builder, he helped establish two gardening companies. I would also like to add several more light fixtures. Retrieved from http: Home Guides SF Gate. You maintain the continuity of the hot wire in the circuit cable by forming pigtails at the points where it connects to the switches.
Do the same with the white wires.
How to Wire Two Separate Switches & Lights Using the Same Power Source
If you've mounted the switches in the same electrical box, you can omit this step. The hot from the source is spliced to the black wire running to the combo and to the input side of the switch. Electricians went through much training and OJT in order to become licensed. This page contains wiring diagrams for household light switches and includes: