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Light Bulb Base and the Light Fixture Socket

How to Identify the Positive and Negative Parts of a Light Bulb: Light Bulb Base and Fixture Socket, Electrical Tips about Light Bulbs and Fixture Wiring.


The Light Bulb Base and the Fixture Socket
Electrical Question: I would like to know more about the base of a light bulb.

This electrical wiring question came from: Noel, a Homeowner from Mexico.

Dave’s Reply:
Thanks for your electrical wiring question Noel.

Light Bulb Base and Fixture Socket

How to Identify the Positive and Negative Parts of a Light Bulb

Great question Noel, this is something most people do not understand.

Electrical Tip about Light Bulbs and Fixture Wiring

The Following will assist you with Light Bulbs and Fixture Wiring:

cfl bulb

recessed lighting


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Wiring Home Electric Circuits
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How to Troubleshoot and Repair Electrical Wiring
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NEC Codes for Home Electrical Wiring
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« Magnetic Ballast and Electronic Ballast on the Same Circuit Using Correct Light Bulbs for Your Light Fixture »

FAQs Frequently Asked Questions and Comments

3 Responses to “Light Bulb Base and the Light Fixture Socket”
  1. JOE says:

    I want to wire four incandescent 40 watt bulbs in parallel. I want one end to plug into the wall and the other end to “terminate”. I have four light fixture sockets and want two feet between each bulb.
    Do I understand correctly that I’ll
    1. wire the one end (with the plug) to the first light fixture socket
    2. wire the second with fixture to the first fixture with two wires cut to length, negative to negative and positive to positive.
    3. etc. etc.

    • Dave Rongey says:

      Hi Joe,
      Wiring light fixtures in parallel is the common method, the power source at the beginning, then ending with the last light fixture connection.
      Make sure it is all according to code!
      Dave

  2. Varun Gogna says:

    Dear Sir/Madam,
    I want to know which types bulb holder used in lighting fixtures in different countries along with wattage?

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