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Three Way Light Switch Wiring Diagrams

Dear Mr. Electrician: I need a 3-way light switch wiring diagram.  I have two switches that control one light in my kitchen.  I am...

Electrical Conduit Hole Saw Sizes

 Dear Mr. Electrician: What are the actual hole saw sizes for the various trade sizes of electrical conduit?  I plan to install a lot...

How To Replace A Two Prong Non-Grounded Outlet

Dear Mr. Electrician: How do I replace a two prong plug that is not grounded?  When I plug cords into my two-prong non-grounded electrical...

Electrical Terms and Equations

Dear Mr. Electrician:  Can you recommend any books on home wiring so that I can do some electrical work around my house?  I found...

Drill and Tap Sizes

This drill and tap chart was copied from my old html site.   It does not work well with WordPress.  I need to come up...

Be Safe When Working Around Your Home

 Dear Mr. Electrician:  My wife and I recently purchased our first house.  It needs some work and we want to do as much of it...

Effects of Electric Current on the Human Body

Dear Mr. Electrician:  What happens to the human body when it comes in contact with electricity. Answer:  Below is a chart that was compiled many...

Repairing or Replacing a Ceiling Light Electrical Box

Dear Mr. Electrician: How do I repair a ceiling electrical box?  I removed the hanging ceiling light fixture in my kitchen and found that...

Naughty Code and Safety Violations

Dear Mr. Electrician: I recently purchased my first home and noticed that there are some repairs that need to be done.  How well do you...

Six Inch (155) Electrical Conduit Dimensions

Dear Mr. Electrician:  What are the dimensions of 6" electrical conduit? Answer:  Six Inch (6″) is the trade size, not the actual dimension of electrical...