We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. The manual also, quite understandably, includes a general disclaimer: That paragraph alone might exclude the use of this tool for aluminum-copper pigtailing repairs. Refer to the wire manufacturer's instructions for specific crimping instructions prior to using this product. The Harbor Freight Hydraulic Wire Crimping Tool Model 66150 instruction manual has some interesting paragraphs likeĦ. What we have learned so far about this copper to aluminum wire crimping tool If there are independent certifying tests of this tool and the performance of the connections it produces.If tool has been listed by UL or approved by CPSC for use for aluminum wiring repairs.If TYCO has approved its use with the COPALUM connector or if there is another crimp connector that has been tested and found to perform acceptably with this tool.Which crimp connectors this tool is designed to use - the manual does not specify any specific connectors.How much force the crimping tool exerts on the crimp connector, whether it is capable of performing the same connection cold weld as provided by the AMP TYCO COPALUM crimping tool.Who actually makes this tool - it is distributed exclusively by Harbor Freight who sell a wide range of tools.What we don't yet know about this aluminum or copper wire crimping tool: But we may be interpreting the manufacturer's text more carefully than did their ad copy writer. The text does not say that the tool is approved for joining copper to aluminum wires as is performed in the standard aluminum wiring repair procedure. We took a preliminary look at the Harbor Freight Hydraulic Wire Crimping Tool Model 66150 and also at the instruction manual, and we saw that HF advertises that this tool intended for connecting copper and aluminum wires. We recommend that you read the instruction manual for this tool (large PDF).Īs of we don't know the approval status of this tool for aluminum wiring repairs. Harbor Freight is a large, long-established tool retailer (since 1978) retailing a wide variety of tools and equipment. The tool is displayed and sold only by Harbor Freight as the Hydraulic Wire Crimping Tool Model 66150. Harbor Freight offers a hydraulic crimping tool advertised as usable for aluminum wiring repairs. Harbor Freight's Aluminum to Copper Crimping Tool See COALR & CU-AL Devices? for the details of these COALR or CU-AL (or AL-CU) products and why they should not be used with aluminum wiring. The electrical receptacle was marked as "AL-CU" but was further marked as Backwire CU-ONLY by The photograph shows a back-wired electrical receptacle COALR or CU/AL - Marked Receptacles & Switches for Aluminum Wire "Repair"?Įlectrical Receptacles and switches marked "COALR" or CU/AL are also not recommended for aluminum wiring repairs: Ideal-65 TM Purple Twist On Connector, or conventional twist-on wire connectorsįurther details are also found at Aluminum Wiring Repair Methods - CPSC Meeting. The COALR or CU/AL devivces, the now obsolete Scotchlok TM 3M Special Method, and aluminum wiring connectors and repair methods such as the Wire repair methods can be read-about at ALUMINUM WIRING RISK Reduction.Īluminum Wiring Connectors or "repair methods" which are obsolete or which are not recommended, such as OTHER Not-Recommended ALUMINUM WIRING REPAIR PRODUCTS: for Aluminum Electrical Wiring - Ideal 65 Purple Twister and Other Aluminum Wire Products/ArticlesĬurrently-recommended aluminum wiring repair products & methods such as the AMP/TYCO COPALUM TM crimp connector and the AlumiConn TM connector, as well as other aluminum We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This website answers nearly all questions about aluminum wiring inspection, hazards, repairs Other products sold for repair of aluminum wiring connections: Scotchlok 3M™, Ideal 65™ Purple "Twister", Marrette B-Cap ACS™ #63 AL/CU Twist-On Connector, Electrical Receptacles and switches marked "COALR" or CU/AL,Īnd Harbor Freight's Aluminum to Copper Crimping Tool are not recommended.Ĭaution - some of these products are not recommended or have been superceded by newer listed products. We have no relationship with advertisers, products, or services discussed at this website.Īluminum wire connections can overheat enough to start a fire without ever drawing enough current to trip a circuit breaker. InspectAPedia tolerates no conflicts of interest.
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