As a homeowner in Pittsburgh, ensuring the safety of your property and family is a top priority. A critical but often overlooked aspect of home safety is the electrical system. The National Electrical Code (NEC) provides the minimum standards for safe electrical design, installation, and inspection to protect people and property from electrical hazards. However, many homes, especially older ones, may have electrical systems that don't meet these standards. This article will explore some of the most common NEC violations found in Pittsburgh homes, how they are discovered, and the steps you can take to address them.
Top 10 Common NEC Violations
- Missing or Improperly Installed GFCIs: Ground Fault Circuit Interrupters (GFCIs) are life-saving devices that protect against electrical shock. The NEC requires them in areas where water and electricity are in close proximity, such as kitchens, bathrooms, laundry rooms, garages, and outdoor receptacles. Many older homes lack GFCIs in these critical areas, or they may be installed incorrectly, offering a false sense of security.
- Overcrowded Electrical Panels: An electrical panel (or breaker box) is the heart of your home's electrical system. Overcrowding a panel by adding more circuits than it is designed to handle is a serious fire hazard. This often happens over time as homeowners add new appliances or circuits without considering the panel's capacity. Signs of an overcrowded panel include breakers that trip frequently, a panel that is warm to the touch, or a buzzing sound coming from the panel.
- Improper Grounding: A proper grounding system is essential for protecting against electrical shock and preventing damage to sensitive electronics. Improper grounding can occur for several reasons, such as a missing grounding wire, a poorly connected grounding electrode conductor, or the use of metal water pipes as the sole grounding means without a proper bonding jumper.
- Incorrectly Sized Circuit Breakers: Circuit breakers are designed to protect a circuit from overloads. Using a breaker that is too large for the circuit's wiring is a common and dangerous mistake. For example, using a 20-amp breaker on a circuit with 14-gauge wire (which is only rated for 15 amps) can cause the wire to overheat and start a fire before the breaker ever trips.
- Exposed Wiring or Open Junction Boxes: All electrical connections must be enclosed in a covered junction box. Exposed wiring and open junction boxes are a shock and fire hazard. This violation is often found in attics, basements, and garages where DIY electrical work has been performed.
- Improperly Installed Outlets and Switches: Outlets and switches that are loose, cracked, or not properly secured to the wall can be a shock hazard. Another common violation is the use of standard outlets in locations that require tamper-resistant receptacles, which are designed to protect children from inserting foreign objects into the outlet.
- Outdated Wiring: Many older homes in the Pittsburgh area still have outdated wiring systems, such as knob-and-tube or aluminum wiring. These systems are not inherently dangerous if they are in good condition, but they can become a hazard if they are not properly maintained or if they are modified incorrectly. For example, covering knob-and-tube wiring with insulation is a fire hazard.
- Not Enough Outlets: The NEC specifies the minimum number of outlets required in a room to prevent the overuse of extension cords. Homes with too few outlets often rely on power strips and extension cords, which can create a fire hazard if they are overloaded.
- Improperly Used Extension Cords: Extension cords are for temporary use only. Using them as a substitute for permanent wiring is a violation of the NEC and a serious fire hazard. This is especially true for high-power appliances like space heaters and air conditioners.
- Mislabeled Circuit Breakers: A properly labeled electrical panel is essential for safety and convenience. In an emergency, you need to be able to quickly identify and shut off the correct circuit. Mislabeled or unlabeled breakers can make it difficult to do this, and can also lead to confusion and mistakes during electrical work.
How are NEC Violations Discovered?
NEC violations are often discovered during a home inspection when a property is being bought or sold. They can also be found by a licensed electrician during a service call or a routine electrical safety inspection. In some cases, a homeowner may discover a violation themselves, such as a flickering light or a breaker that trips frequently.
How to Fix NEC Violations
If you suspect that your home has an NEC violation, the first step is to contact a licensed and insured electrician. A qualified electrician will be able to identify any violations and recommend the best course of action to correct them. **Never attempt to fix an electrical problem yourself unless you are a qualified electrician.** Electrical work is dangerous and should only be performed by a professional.
**Did you know?** The National Electrical Code is updated every three years to keep up with new technologies and safety standards. Just because your home's electrical system was up to code when it was built doesn't mean it meets today's standards.
Need Professional Help?
Your home's electrical system is too important to leave to chance. If you have any concerns about the safety of your electrical system, or if you are planning any electrical work, contact a licensed and insured electrician in your area. A professional electrician can ensure that your home's electrical system is safe, reliable, and up to code.




