how do I install a three way light switch?
Answers:
A lot of questions can be anwereed by using the top site:
How things Work. I included the whole thing for 3 way switches. Just cut the last part off after .com and then bookmark it for future use.
Your specific question is in the second site, make sure you do stay with the code for your area.
Other answers:
What is cost (material/Labor. to build a 20x20 wooden deck, a 5x10 fishing pier & a 2 boat-boathouse w/ shed