Someone I know bought a house, and the seller signed a piece of paper confirming there was no knob and tube wiring in the house. ⚡️ What do you think Frank (our licensed electrical contractor) found when he visited the house? Knob and tube wiring is safe, provided it is properly maintained by a Licensed Electrical Contractor. In my experience, it's often not. Clip from my #HolmesonHomes podcast with Home and Safety: Electrical Safety Authority 🎙 | Mike Holmes