Skip Nav Bill’s Quality Electric, LLC shares an electrical safety word concerning older homes that may contain old Knob and Tube wiring, the older electrical system used prior to 1930s built homes, and how that may effect home buyers today. Included are issues real estate agents sometimes run into when homeowners attempt to buy homeowner’s insurance for homes they want to purchase. Warnings concerning the safety issues common to this older electrical system are discussed and what licensed electricians recommend. Stay Electrically Safe and Smart when purchasing an older home! Special Thanks to Philly.com and to Alan J. Heavens, Inquirer Real Estate Writer, for the article, Old Electrical Systems a Setback. 