Purchasing and installing pigtails for aluminum wiring typically runs from a few hundred to several thousand dollars, depending on circuit count, wire gauges, and labor. The main cost drivers are material choices, labor time, and the need for anti-oxidation connectors and proper. Homeowners typically pay for copper pigtails, connector kits, and skilled labor to replace aluminum wiring with safer copper pigtails. This. Upgrading or installing a residential electrical panel in the San Francisco Bay Area is a significant project that must meet California's stringent safety codes. The price depends on the home size, number of devices, the required materials, and local labor rates. This article presents practical price ranges and the main cost drivers for a typical U S residence.