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How to Make a Wire Splice in a Junction Box
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Summary: Electrical junction box splices can be made safely when you understand the method. This example will show you how its done step by step and shows how to make a junction box splice and the related electrical codes. Sponsored Links |
The Correct Way to Make an Junction Box Splice for Electrical House Wiring |
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Electrical Junction Box Splices Always locate electrical junction boxes in an access able area. Use approved junction boxes. See more about types of electrical junction boxes Use the correct size wire connector. See more about electrical wire and wire connectors After the splice is made be sure to place a cover plate on the box. |
Making an Electrical Junction Box Splice |
Step 1: Always identify the electrical circuit and make sure it is off. |
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Step 2: Using a good pair of wire strippers and pliers. |
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After stripping back the insulation about 3/4" , twist the bare wire in a clock-wise direction. Trim off the end of the wires evenly. |
Step 3: Use approved wire connectors that are the right size for the splice. |
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Select the right size wire connector, otherwise known as a "wire nut". Notice the depth of the connector, your twisted wire sets should not be longer than the depth of the wire connector internal area. Screw the splice connector onto the twisted pair in a clock-wise motion until the connector is good and snug. The bare wire should be all the way into the wire connectors. Bare wire should not be seen. If bare wire is seen, back off the wire nut and trim more of the twisted wire sets and reinstall the connector. |
Step 4: Fold the spliced wires carefully back into the junction box. |
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Fold the wire sets carefully into the junction box. |
Step 5: Always install a blank cover onto the junction box. |
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Electrical Codes about Junction Boxes for Home Electrical Projects |
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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. |
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| Small Straight-Slot Screw Driver,
Lineman's Pliers, Crimp Pliers, Wire Strippers, Sheath Knife, Claw Hammer, Volt Tester Drop Light Dust Mask and Eye Protection |
Junction Box Blank Cover for the junction box Romex Wire Romex staples Yellow Wire or Red Wire Connectors |
| NOTE: The electrical tools for each project may be different depending on the individual project requirements and the access to install electrical devices. More about Electrical Tools |
NOTE: The electrical parts list will depend upon each individual project and the requirements to wire specific devices added to the project. More about Electrical Parts |
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A Complete Guide to Home Electrical Wiring Perfect for Homeowners, Students and ElectriciansIncludes:Home Electrical Wiring - Upgrade Electrical Wiring 120 Volt Circuits 240 Volt Circuits Multi-Wired Circuits Wiring Methods for Installing Home Electrical Circuit Wiring Electrical Codes for Home Electrical Wiring Electrical Troubleshooting and Repairs ....and much more. A Great Guide for Electricians, Inspectors, Students and Teachers |
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