Aluminum wiring is not necessarily unsafe, but it can be. When aluminum is used for smaller circuits and conductors, it can be hazardous. Since aluminum contracts and expands at much greater amounts than its counterparts, it can cause a problem with wiring in your outlets, switches, and other areas of the home. Aluminum wiring is not recommended for the home. Aluminum wiring is much more prone to loose wires and dangerous arcing situations. If you notice any of these problems associated with aluminum wiring, contact a professional electrician as soon as you can: Switches and receptacles that are warm to the touch. Burning plastic, rotten egg, or sulfuric smell near outlets, switches, or other electrical devices. Buzzing and flickering lights, outlets, and switches that cannot be attributed to other causes. If you are experiencing any of the above electrical issues, contact a professional electrician immediately! An estimated two million homes have aluminum wiring. If your home has aluminum wiring and you have experienced any of these occurrences, call now!