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Ungrounded Electrical receptacles (outlets)

1/13/2021

 
Grounding of electrical receptacles is an important safety feature that minimizes the risk of electric shock and protects electrical equipment from damage. Modern, grounded 120-volt receptacles in the United States have a small, round ground slot centered below two vertical hot and neutral slots, and it provides an alternate path for electricity that may stray from an appliance.
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Dangers of Aluminum Wiring in the Home

6/3/2020

 
We recommend that aluminum wiring in the home be repaired because of the fire hazards that it may create. Contact our Columbus home inspectors to discuss these dangers and what improvements can be made to improve your home's wiring.

Between approximately 1965 and 1973, single-strand aluminum wiring was sometimes substituted for copper branch-circuit wiring in residential electrical systems because of the sudden escalating price of copper. After a decade of use by homeowners and electricians, inherent weaknesses were discovered in the metal that lead to its disuse as a branch wiring material. ​
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Knob and Tube Wiring

2/9/2013

 
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During our inspections, we still find many older homes in Columbus have Knob and Tube Wiring.  This type of wiring is a fire hazard and should be removed and replaced with new wiring by a qualified electrician.

The system is comprised of wiring supported with ceramic knobs with tubes that run through the wood joists and framing and at locations where the wires intersect.  Knob and Tube wiring is considered unsafe for several of the following reasons:
  • The dissipated heat from knob-and-tube wiring can pose a fire hazard if the wires are enveloped in building insulation. A possible exception is fiberglass insulation, which is fire-resistant, although even this type of insulation should not cover knob-and-tube wiring. The homeowner or an electrician should carefully remove any insulation that is found surrounding KT wires.
  • Knob-and-tube wiring is more vulnerable to damage than modern wiring because it is insulated with fiber materials and varnish, which can become brittle.
  • Some insurance companies refuse to write fire insurance for houses with this type of wiring, although this may be remedied if an electrician can verify that the system is safe.
  • Disregarding any inherent inadequacies, existing KT cable systems are likely to be unsafe because they are almost guaranteed to be at least 50 years old.

If you have any concerns about Knob and Tube wiring in your house, contact us to speak with a qualified home inspector.

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Our Primary Office Locations


Dublin, Ohio (main)
6214 Inishmore Ln
Dublin, Ohio 43017
​614-364-3829

Cleveland, Ohio
16115 Waterloo Rd
​Cleveland, OH 44110
216-672-6185
Columbus, Ohio
1351 Tenagra Way
Columbus, Ohio 43228
​​614-364-3829

Dayton, Ohio
60 Camden Park Ct
Springboro, OH 45066
​937-396-5239
Cincinnati, Ohio
5605 Bridgetown Rd #10
Cincinnati, OH 45248
​513-306-4640

Toledo, Ohio
478 Dearborn Ave.
Toledo, Ohio 43605
419-329-4623

Our Service Areas

CINCINNATI
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Contact us at: 888-301-3186
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  • Home
  • Services
    • Full Home Inspection
    • Additional Inspections >
      • Termite Inspection
      • Radon Testing
      • Mold Testing
      • Thermal Imaging
      • Sewer Scope Inspection
      • Foundation Certification
    • Areas Served >
      • Columbus, OH >
        • Circleville, OH
        • Clintonville, OH
        • Delaware, OH
        • Dublin, OH
        • Gahanna, OH
        • Grandview Heights, OH
        • Grove City, OH
        • Lancaster, OH
        • Marysville, OH
        • Lewis Center, OH
        • New Albany, OH
        • Pataskala, OH
        • Pickerington, OH
        • Plain City, OH
        • Powell, OH
        • Reynoldsburg, OH
        • Worthington, OH
        • Zanesville, OH
      • Cleveland, OH >
        • Bay Village, OH
        • Beachwood, OH
        • Bedford Heights, OH
        • Brooklyn, OH
        • Chagrin Falls, OH
        • Euclid, OH
        • Highland Heights, OH
        • Independence, OH
        • Lakewood, OH
        • North Olmstead, OH
        • Parma, OH
        • Rome, OH
        • Shaker Heights, OH
        • Solon, OH
        • Strongsville, OH
        • Westlake, OH
      • Toledo, OH >
        • Bowling Green, OH
        • Holland, OH
        • Maumee, OH
        • Perrysburg, OH
        • Swanton, OH
        • Sylvania, OH
        • Waterville, OH
      • Cincinnati, OH >
        • Blue Ash, OH
        • Hamilton, OH
        • Loveland, OH
        • Lebanon, OH
        • Mason, OH
        • Middletown, OH
        • Wyoming, OH
      • Dayton, OH >
        • Beavercreek, OH
        • Centerville, OH
        • Fairborn, OH
        • Huber Heights, OH
        • Kettering, OH
        • Miamisburg, OH
        • Springboro, OH
        • West Carrollton, OH
    • Scope of Inspection
    • Rates
  • About
    • FAQ
    • COVID-19 Update
    • Buyer Home Inspection
    • Seller Home Inspection
    • Owner Home Inspection
    • Contact Us
  • Resources
    • Inspection Library
    • Contractor Network
    • Events
  • Schedule