Aluminum branch circuit wiring can pose a fire hazard at the connections. This type of testing which is beyond the scope of Washington Licensed Home Inspector. These defects can be difficult to identify without further investigation by a licensed electrician. For more information on aluminum wiring, write to “Publications Request, US Consumer Product Safety Commission, Washington DC 20207”, ask for “Publication 516, Repairing Aluminum Wiring”, or go to their website www.cpsc.gov
The link below also provides detailed information about Aluminum wiring.
Heat damaged aluminum wiring at loose breaker connection.