![]() These are what is used instead of a junction box when splicing large wires, and are available through electrical supply houses. If the extension rings aren't enough, then you'll have to replace the box with a small (6" by 6" by 4" should be ample) NEMA 1 (indoor) pull box, likely with a flush cover. You will also likely need a box extension ring or two, as mechanical lug connectors are quite chunky compared to wirenuts or Alumiconns, and you definitely need an appropriate connector to attach the flexible conduit to the box, as right now, it's violating several Code sections by flapping around in the breeze like that. For fatter work, you'll want their bigger brothers, mechanical lug connectors (sometimes called "Polaris connectors" after a common brand name) - the smallest size of them is generally rated for wires anywhere from 14AWG to 4AWG, and as a rule, they are dual-rated for aluminum and copper wire. You could also use educational resources to learn about wiring pigtails for future projects.Use a mechanical lug connector ("Polaris" or equivalent)ĪlumiConns are only rated for a maximum of 10AWG wire. On top of all that, AlumiConn lugs are UL listed products so you can ensure that these products are safe to use.Īlthough the AlumiConn connectors are quite simple to install, it is recommended that you first consult with your local electrician before you take on the project yourself. Due to its simple installation process and its low cost to repair aluminum wiring, this is by far the most cost-effective way to address your building’s wiring problems. Another benefit is its resistance to rust, for longer lasting connections. They are also flexible as they can be used for aluminum to copper, aluminum to aluminum, and copper to copper connections. The AlumiConn lug uses compression screws and can feature up to three ports, making wiring pigtails an easier process. It can be installed by anybody with common electrical knowledge. The AlumiConn lug would only cost you as low as $2.70 per connection. ![]() Although cheap, the COPALUM Crimp is a difficult option for people outside of COPALUM’s service area. These technicians may not be readily available based on where you live. One key disadvantage of the COPALUM crimp is that it can only be installed by a certified COPALUM technician. The COPALUM Crimp will cost between $12-$15 per wire. ![]() Although your wiring problems would surely be fixed, it is not the most practical solution for most people. The rewiring project could cost you $15,000 for a 2,100 square foot home. Add in another $1,000-$2,000 worth of copper along with the cost of a permit from your local government. If a new electrical panel is required, that could cost anywhere between $1,000-$3,000. While this is the most in-depth fix to a wiring issue, the cost for an electrician to rewire your home can run between $200-$500 per receptacle and switch depending on the region you live in. The problem is that aluminum wire failures happen slowly over an extended period of time, so it’s easy to miss the signs that issues are occurring.Īccording to the CPSC, rewiring your entire home or building would be the most thorough and permanent solution. Here are warning signals that indicate that you could have wiring problems. For this reason, many homes have already replaced their "AL" wires with copper wires. The overheating of your wiring could eventually lead to an electrical fire. As you continue to add appliances and electronics to your home, you exponentially increase the chance for your aluminum wiring to overheat. ![]() This means that more aluminum is required to support the same electricity as copper wiring. The danger of aluminum material is that it is less conductive than copper. ![]()
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