Aluminum wire in household electrical distribution box

The National Electrical Code (NEC) allows aluminum wiring in a residential home as long as its AA-8000 series electrical grade aluminum alloy conductor material. Aluminum provides a better conductivity-to-weight ratio than copper, and therefore is also used for wiring power grids, including overhead power transmission. Many websites provide good information about aluminum wiring in houses, but it's often impractical. Some high-ranking home inspector sites downplay the potential dangers, while insurance companies may exaggerate them. These are often written by individuals who may have never seen aluminum wiring. Aluminum wires are unsafe and can cause arcing, leading to house fires. While aluminum is an excellent conductor, this. [pdf]