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How to Splice Electrical Wires

splicing electrical wires 0 ©Copyright
Summary: Splicing electrical wires can be done safely when you understand the method. This example shows you step by step the process of splicing electrical wires.


The Correct Way of Splicing Electrical Wires for Home Wiring



Splicing Electrical Wires

This electrical wire splice is being made in a 3 inch cut-in box that is mounted in a wall..

Use approved electrical boxes that have enough space for the number of wires that are needed.
See more about types of junction boxes

Use the correct size wire connectors for your splice.
See more about wire and wire connectors

After the splice is made be sure to cap off any remaining wires.



314.19 Wiring Methods junction boxes accessible Junction boxes shall be installed so that the wiring contained in them can be rendered accessible without removing any part of the building.

314.16 Electrical Junction Box Fill - The volume of electrical boxes shall be sufficient for the number of conductors, devices, and cable clamps contained within the box. Nonmetallic boxes are marked with their cubic inch capacity.



NOTE: This is a partial list of electrical codes. Other codes may apply. Some codes may be updated.

See the Electrical Code area for more information: Home Electrical Codes 


Splicing Electrical Wires


Electrical Codes about Splicing Electrical Wires for Home Wiring Projects


Splicing Electrical Wiring

splicing electrical wires 0
  • Splicing Electrical Wires

  • Understanding electrical wire.
  • Selecting the right size and type of electrical wire.
  • Electrical wire for outlets, light fixture and large electrical appliances.
  • Parts used to terminate, bond and splice electrical wire.
electrical-splice-box
  • Electrical Junction Box Splice

  • Understanding electrical wire.
  • Selecting the right size and type of electrical wire.
  • Electrical wire for outlets, light fixture and large electrical appliances.
  • Parts used to terminate, bond and splice electrical wire.
direct burial cable repair
  • Buried Electrical Cable Repair

  • Understanding electrical wire.
  • Selecting the right size and type of electrical wire.
  • Electrical wire for outlets, light fixture and large electrical appliances.
  • Parts used to terminate, bond and splice electrical wire.
junction boxes
  • Electrical Junction Boxes

  • Understanding electrical junction-boxes.
  • Selecting the right size electrical junction box.
  • Junction boxes for outlets, light fixture and electrical splices.
electrical wire
  • Electrical Wire

  • Understanding electrical wire.
  • Selecting the right size and type of electrical wire.
  • Electrical wire for outlets, light fixture and large electrical appliances.
  • Parts used to terminate, bond and splice electrical wire.
troubleshooting electrical-wiring
  • Electrical Troubleshooting

  • The Secrets of Successful Electrical Troubleshooting.
  • Methods used to solve most home-electrical problems.
  • Identifying electrical wiring failures.
electrical repairs
  • Electrical Repairs

  • The Electrician Explains DIY Electrical Wiring
  • Do-It-Yourself Electrical Projects.
  • Electrical Troubleshooting
  • Electrical Repairs
  • Electrical Problems

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