Blindjim is right on. My old house had aluminim. My electrician told me to use analube (or similar) on every connection I could get to without opening up walls. It keeps the Aluminim from corroding.
Re-wiring an entire house is not feasable for most of us. Taking off switch plates and outlet covers to brush on grease is simply another Sunday project.
Re-wiring an entire house is not feasable for most of us. Taking off switch plates and outlet covers to brush on grease is simply another Sunday project.