How To Look At A House

McGarry and Madsen's home inspection blog for buyers of  

site-built, mobile/manfuactured and modular homes

Can I use Romex® (NM-cable) with a male plug connected to a receptacle outlet.

Monday, September 6, 2021

Using NM-cable with a male plug connected to a wall receptacle is not acceptable for multiple reasons:

1) NM-cable uses stiff, solid wire and is rated only for permanent installation between electrical boxes. Also, the cable must be protected from damage (not exposed).

2) Wall receptacles are connection points for flexible cords with a male plug (cord connector) for temporary use and removal. 

3) Cord connectors are not rated for use with solid wire conductors. 

4) It is not a recognized wiring method. 

    Yes, we know you are not intending to unplug it once installed, and “it oughta be alright,” but NM-cable with a male plug is not code-approved or acceptable.

    Also, see our article Can I run an electric power cord or extension cord through the wall?

• • • • • • • • • • • • • • • • • • • • • • • • • • •

Here’s links to a collection of our other blog posts about ELECTRICAL WIRING:

Which house appliances need a dedicated electrical circuit?

Can a short circuit cause a high electric bill?

What is the maximum spacing requirement for securing NM-cable (nonmetallic-sheathed cable)?

Is it alright to just put wire nuts on the end of unused or abandoned NM-cable or wiring?

What causes copper wires to turn green or black in an electric panel?  

What are typical aluminum service entrance wire/cable sizes for the electrical service to a house?

Does a wire nut connection need to be wrapped with electrical tape?

What is the minimum clearance of overhead electric service drop wires above a house roof?

What are the requirements for NM-cables entering an electric panel box? 

What is the color code for NM cable (Romex®) sheathing?

Can old electrical wiring go bad inside a wall? 

What is an open electrical splice?

What are the most common electrical defects found in a home inspection? 

What is the life expectancy of electrical wiring in a house? 

What is an "open junction box"? 

How dangerous is old electrical wiring? 

I heard that aluminum wiring is bad. How do you check for aluminum wiring?  

What is "knob and tube" wiring?  

What is the code requirement for receptacle outlets in a closet?

   Visit our ELECTRICAL page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles. 

 

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