
How to Repair an Underground Electrical Wire Break
- Step 1 - Purchase Electronic Monitoring Equipment. If you don’t know the location of the break, you can purchase...
- Step 2 - Call the Phone and Utility Companies. Another alternative is to phone your local electric company and use their...
- Step 3 - Dig up the Affected Wire. First and most importantly, make sure you turn...
Full Answer
How to splice, connect, or fix a broken electrical wire?
You can also reuse the connectors if you follow a few rules:
- Use solid wire only; don't reuse connectors that have held stranded wire.
- Use the same gauge or larger wire that was previously held by the connector. ...
- Cut and re-strip wires that were previously held by a push-in connector. These connectors bite into the copper and leave marks or can break strands when they are removed. ...
How to connect wires in 6 different ways?
Step 1: Initial Considerations and Planning
- Which room/s do I want wired? - I have a 2 bedroom condo so I knew I wanted both bedrooms wired. ...
- How many ports do I want in each location? - With a multiple game consoles and network enabled Blu-Ray player connected to my TV, I knew I wanted at ...
- What is a good location for distribution? ...
- What path should the cables take? ...
How to fix a broken wire?
Things You Should Know
- Using a Multimeter. A multimeter is a tool used to check the electric current, resistance, or voltage of a wire. ...
- Soldering. Soldering helps you connect two ends of a wire back together. ...
- Stripping Wires. The first step in the process of fixing a broken wire is to strip the wire casing to expose the copper filament itself.
- Tools Needed. ...
How to connect broken wire?
Screw, clamp and and spring terminals
- Joining mains cables. An in-line screw terminal connection box for joining mains leads. Make sure the cable grips grip the outer sheath (left), not just the inner wires (right).
- Choc block connectors. A choc block connector. ...
- Spring terminal connectors. A spring terminal connector. ...

How do you fix a broken wire underground?
0:095:26How to Fix Damaged Electric Wire Underground - Made Easy - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis is heat shrink tubing. But it's super thick and inside is a special type of glue or adhesiveMoreThis is heat shrink tubing. But it's super thick and inside is a special type of glue or adhesive that'll melt under heat. And that's going to seal the entire connection.
Can you splice an underground electrical wire?
Accidentally cut an underground electrical wire? The easiest way to repair it is with an underground splice kit, which uses a rustproof connector to repair and seal the break.
How do you find a break in underground electrical wire?
If the electrical line is buried, dig at the half-way point. Use a voltage proximity detector or attach a voltage tester to the wire and test for voltage. If no voltage is read, the break is between the source and the half-way mark. Repeat testing by moving a few feet closer to the source until voltage is found.
Can you repair electrical wires?
Repairing damaged wiring is easy and it can save you time and money, but care must be taken any time a soldering iron is used. First, slide a piece of thin gauge heat shrink tubing over the wires. Next, splice the wires together and tin the wire with a small amount of solder.
What type of electric cable is used for underground?
An underground wire can be made from either copper or aluminum. Copper wire can safely be bare in the ground or can have a protective jacket or insulation. A cable is a group of two or more conductors sheathed together.
How do you reconnect a severed wire?
2:333:07How to Repair Broken or Damaged Wires - YouTubeYouTubeStart of suggested clipEnd of suggested clipCut off the existing connector and strip. One quarter inch of insulation from the wire end. Put theMoreCut off the existing connector and strip. One quarter inch of insulation from the wire end. Put the new connector onto the end of the wire. And use a crimping tool to secure it to the wire.
Can you put electrical tape on exposed wire?
Don't use Electrical Tape to Seal up Loose Wire Ends Although it may be tempting to keep wrapping new tape around any exposed wires, don't let the damage get too out of hand. This means anything past a minor abrasion or cut.
Can you put electrical tape on live wire?
Electrical tape is the simplest method of making electric wires safe. You also use tape on capped live electric wires as an extra precaution. Tapes can be used on loose live wires that do not fit the cap. You can simply use tape over the live wire to fit into the cap.
Can you bury a junction box underground?
You can't bury a junction box - it has to remain accessible. The usual thing to use is a handhole - like a box where the lid is flush with the ground. You could get a handhole as small as 12" x 12".
How deep do you bury direct burial wire?
Direct Burial of Cables or Conductors Bury UF cables 24 inches below the soil surface, and 18 inches deep when protected by 2 inches of concrete. For all other applications, the burial depth is the same as specified for conduits, except that conduits are required for UF cables in 2 inches of solid rock.
Does underground wire need conduit?
Underground Wiring Requirements – How Deep Do I Bury the Wire? Use direct-burial underground feeder cable at 24-inches deep (or more). You don't need to use conduit at this depth with UF cable, however, you do need to provide PVC conduit on your vertical feeds starting at 18-inches.
How deep do electrical lines have to be buried?
36 inchesDirect buried cables or cables in flexible nonmetallic enclosures shall be installed at a depth of at least 36 inches.
Step 1 - Purchase Electronic Monitoring Equipment
If you don’t know the location of the break, you can purchase electronic locating equipment at most electrical supply houses or big box stores. The...
Step 2 - Call The Phone and Utility Companies
Another alternative is to phone your local electric company and use their locating service. Most provide this service for free when locating the ma...
Step 3 - Dig Up The Affected Wire
First and most importantly, make sure you turn main electrical supply off before digging or attempting any repair to, or addition to, the electrica...
Step 4 - Purchase Junction Boxes and Cable Connectors
If you are going to add additional circuitry to your existing wire underground, purchase waterproof junction boxes where connections can be made in...
Step 5 - Use A Splice Kit
A splice kit containing an inline connector will join the two ends of a break securely in a polyolefin sleeve, which will shrink when heat is appli...
What is a special sealing box connector?
Special sealing box cable connectors provide the waterproof seal for the electrical wiring that enters the box as well. These are a must when joining wires together in the watertight box. They have silicone inside the connector which will seal out the moisture after you have inserted the wiring.
What is heat shrink tubing?
Inside the heat shrinkable tubing is an adhesive liner that will melt when heated. This will coat the connection and cover the wire with adhesive, oozing out the ends of the tubing as it shrinks. This method can be used if wiring is deep in the ground and no possible damage from gardening tools hitting it.
Why do you need waterproof junction boxes?
If you are going to add additional circuitry to your existing wire underground, purchase waterproof junction boxes where connections can be made inside the box. This will protect the connections from corroding due to moisture and chemical elements from the surrounding ground.
What to do when you have buried wires?
When it turns out that something has cut one or your underground wires, you can use a splice kit to fix it. All you need to do is follow a few simple steps and use a few key pieces of equipment for a proper solution.
How to repair a wire underground?
Use a non-contact voltage tester afterward to confirm that the cable is no longer live. Then, dig along the sight path between the electric cables exit and entry points.
How to find a break in a wire?
Find the break in the wire using a wire break locator if you determine the problem is not with the transmitter or if you cannot find any visual damage or sections where the wire has been dug up. Follow the manufacturer's instructions on how to hook up your brand of wire break locator. Keep it on the most sensitive setting and walk along ...
How to test a transmitter?
Test your transmitter to see if the problem is actually in the wire, or if it is in the transmitter. Turn the transmitter off and detach any outside wiring running to it (or hire a qualified electrician to do this for you). Cut a short length of unused wire between four and six feet in length and attach that to each end of the transmitter to form a loop and check that the machine is indicating a full connection with no breaks in the line. Disconnect your test wire once you see whether the transmitter is working or not .
Why are underground wires buried?
Underground wires are buried to protect them from exposure. While it is rare for underground wires to suffer damage, from time to time activities such as digging for a new fence, planting a tree, gardening, or even the activity of pets and animals can cause tears and ruptures in buried wires.

Assess The Damage
Gel-Filled Splice Kit Repair
- Start by cutting out the damaged sections. Then cut, separate and strip the ends of the buried cable (Photo 1). Do the same for the additional section of cable (if needed). Next, secure the wires in the brass holder (Photo 2). Locate the splice block in the protective shield (Photo 3). Wrap the shield around the splice and secure it (Photo 4). Then repower the circuit to make sure the splic…
Required Tools For This Project
- Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration. 1. 4-in-1 screwdriver 2. Lineman's pliers 3. Non-contact voltage tester 4. Spade 5. Utility knife 6. Wire stripper/cutter
Required Materials For This Project
- Avoid last-minute shopping trips by having all your materials ready ahead of time. Here’s a list. 1. Heat-shrinkable underground splice kit or Gel-filled wrap-around splice kit 2. Surveyor’s tape 3. UF cable