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Inch and a Quarter (35mm) Electrical Conduit Dimensions

One Inch and a Quarter 1 1/4″ is the trade size, not the actual dimension of electrical conduit.  Thirty Five 35 is the metric...

One Inch (27) Electrical Conduit Dimensions

One Inch 1″ is the trade size, not the actual dimension of electrical conduit.  Twenty seven 27 is the metric designator not the actual...

Electrical Conduit Types 2019

Dear Mr. Electrician: I am making plans to build a new house for myself.  I have an architect working on drawings and I want...

Three Quarter Inch 3/4″ (21mm) Electrical Conduit Dimensions

Three Quarter Inch 3/4″ is the trade size, not the actual dimension of electrical conduit.  Twenty One 21 is the metric designator not the...

Half Inch 1/2″ (16mm) Electrical Conduit Dimensions

Half Inch 1/2" is the trade size, not the actual dimension of electrical conduit.  Sixteen 16 is the metric designator not the actual dimension...

Installing a Ceiling Fan Using Existing Wiring 2019

Dear Mr. Electrician: I'd like to install a ceiling paddle fan in the bedroom.  The house was built in the 70's.  The fan would...

Using Cheap Foreign Labor to Work on Your Home

Dear Mr. Electrician: I received several estimates from local contractors for a series of small electrical projects in my home.  All of the prices...

Arc Fault Circuit Interrupters

Dear Mr. Electrician: Why am I required to have my brand new house wired with Arc Fault Circuit Interrupters?  They cost much more than...

Homeowner Purchases Materials For the Contractor 2019

Dear Mr. Electrician: I want to get a bunch of electrical projects done around my house. I talked to several licensed electrical contractors about...

Intersystem Bonding Termination for TV and Telephone 2019

Intersystem Bonding Termination for Other Utilities Dear Mr. Electrician: How do I ground my telephone and cable TV demarcation terminal blocks?  NOTE: Text links below...