9/11/2023 0 Comments Alumiconn8 AWG ( 6) ( 7) and the higher coefficient of thermal expansion in aluminum ( 15) in comparison to copper ( 13) ( 14).Īs a consequence thereof, insurance agents and underwriters dismissed the issue of policies regarding residential real estate objects in these cases ( 8) because they are dangerous ( 11). However, this approach has resulted in house fires ( 4) ( 17) due to failures at the connection of electrical devices associated with aluminum branch circuit wiring ( 5) smaller than the standard no. Keep in mind your amp rating and sizing for aluminum and copper to help your installation time.Aluminum wiring was utilized in households more than fifty years ago ( 2) as it was much cheaper than copper wire ( 1) so buying a house with aluminum wiring was preferred by prospective homeowners ( 3). Wirenuts can be stripped longer for wirenut installation, AlumiConn lugs have a smaller strip size to keep leads from being exposed. As with any installation, make sure not to strip the wire too much or have any exposed metal remaining on connections. We prep AlumiConn lugs up-front with a variety of leads (wire size and colors) and loosening the ports for improved installation time. AlumiConn keeps the dissimilar metals from ever directly contacting one another. AlumiConn lugs are solid and the only complaint is the occasional lug port is pre-set just a bit too tight.Ī main reason for using AlumiConn lugs is the fact that the copper and aluminum wires don’t make direct contact. Purple wirenuts will occasionally not grab your wires but for the most part are reliable. Plan on installing a GFCI breaker for bathrooms/kitchens or removing the old metal boxes and installing a new plastic remodel box, or adding an extension for space when bringing those areas up to code. Standard switches and outlets aren’t usually an issue but GFCI outlets and dimmers will often not fit when using aluminum/copper connectors. Considering that most homes with aluminum wire also have smaller metal boxes, this can become an issue. Purple wirenuts take up slightly less than AlumiConn Lugs. Plan on spending up-front time prepping the lugs, it will speed up installation.īoth Wirenuts and Lugs take up considerable space. ![]() ![]() AlumiConn Lugs are a bit more time consuming with having to unscrew each port and then tighten each port. Purple Wirenuts twist on quick and installation is easy. King Innovation AlumiConn Lugs and Ideal Purple Wirenuts are Made in the USA.Maximum Wires per Connector – 3 for both.Temperature Rating – 105 degrees C for both.Wire Size Range – Minimum #18/Maximum #10 for both.Max Voltage – 300v AlumiConn : 600v Purple Wirenuts.The Aluminum and Copper wires never come into direct contact.AlumiConn Lugs are now our standard solution for Aluminum/Copper connections for several reasons: Purple wirenuts then became the accepted solution for Aluminum/Copper connections having antioxidant liquid pre-installed and a flap-style system at the base to prevent run-out. ![]() Note: The U.S Consumer Product Safety Commission only recognize CopAlum and AlumiConn Connectors as meeting the agency’s standards regarding preventing fire hazards as of March 15, 2011.īefore these connectors, pigtailing involved pouring some No-Lox liquid into whichever wirenut you needed to install. I’m leaving out the CopAlum Crimp because it’s not easily available to everyone. We focus on the easily available solutions which are Purple Wirenuts (Model 65) and AlumiConn Lugs. When it comes to pigtailing aluminum wiring to copper wire, there are several options available to use.
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