Umair Gaines
A home electrical inspection is a preventative measure that ensures a home's electrical system works as intended and is up to code. It is a safety measure that can prevent electrical fires, improve energy efficiency, and reduce electrical issues. The inspection includes checking the electrical panel, meter, wiring, outlets, and circuit breakers. The electrician will also test the voltage and look for any signs of damage or wear and tear. The average cost of a full home electrical inspection is around $350, but prices vary depending on the size of the home and the type of inspection.
| Characteristics | Values |
|---|---|
| Purpose | To ensure the home's electrical system works as intended and to reduce the chance of an electrical fire |
| Inspection frequency | Every three to five years, or every five to 10 years depending on the age of the home |
| Cost | $100 to $500 depending on the type of inspection, location, and size of the home |
| What inspectors check | Smoke and carbon monoxide detectors, electrical panel, wiring, outlets, circuit breakers, voltage, grounding, GFCI outlets, lighting, electrical meter, appliances, fixtures, electrical service entrance |
| What inspectors do | Test, examine, inspect, verify, assess, confirm, evaluate, recommend |
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What You'll Learn
Smoke and carbon monoxide detectors
Placement and Quantity:
During an inspection, technicians will check to see if there are enough smoke and carbon monoxide detectors in your home and if they are placed properly. Smoke alarms should be installed inside and outside every bedroom and sleeping area, as well as in hallways and on every level of the home, including the basement. It is recommended to keep smoke alarms at least 10 feet away from the kitchen stove to reduce false alarms. Carbon monoxide detectors should be placed approximately 5 feet from the floor and not within 6 inches of a conjoining wall. If wall placement is not feasible, they can be installed on the ceiling, at least 6 inches from any wall.
Functionality and Testing:
All detectors will be tested to ensure they are in proper working condition. This includes checking for low batteries and testing the sensitivity of carbon monoxide detectors to ensure they meet the required standards, such as the UL 2034 standard. Inspectors will also verify that the detectors are properly wired and connected to the electrical system.
Compliance and Certification:
If you are selling or transferring your home, you may need a certificate of compliance that shows your smoke and carbon monoxide detectors meet certain standards. Local fire departments or building departments can provide guidance on the specific requirements and conduct inspections. It is important to stay up to date with any new rules or regulations regarding detector installation and maintenance.
Maintenance and Replacement:
Technicians will advise you on the maintenance and replacement of smoke and carbon monoxide detectors. For example, smoke alarms with sealed batteries that are more than 10 years old must be replaced. They will also recommend necessary fixes if they notice any issues with the detectors or their placement.
Having properly functioning smoke and carbon monoxide detectors is essential for the safety of your home and family. Regular electrical inspections help ensure that these detectors are in good working order and meet the required standards.
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Outdoor electrical components
Outdoor electrical installations are becoming increasingly common, but they can also be a source of danger for your home and those around it. As such, it is important to regularly inspect your outdoor electrical equipment for any signs of potential problems.
A professional electrical inspector will check your outdoor electrical outlets, wiring, and lighting in outbuildings such as shops, garages, and outdoor kitchens. If you have a water feature, hot tub, or pool, they will ensure that the electrical hookups are safe and to code. They will also inspect your electrical service entrance, where electricity enters your house from the exterior meter, to ensure that the load is being delivered efficiently and safely, and look for any signs of wear that need to be addressed.
Electric meters are often overlooked but are a crucial component of an electrical system. Electricians will check for possible defects, the capacity of the circuit breaker, and the electrical wires. They will also inspect the point where electricity enters your home, including the service drop, weather head, and meter base.
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Electrical service entrance
There are two primary types of service entrance conductors (SECs): overhead (or aerial) SECs and underground (or buried) SECs. Overhead SECs are more common in older homes and neighbourhoods, and in urban areas where many overhead power lines are present. They are more visibly accessible, which means more aspects can be evaluated by inspectors. Underground SECs are more commonly found in rural locations and are usually preferred in modern settings.
When inspecting the SEC, inspectors will evaluate several aspects, including:
- Height: Overhead SECs must have a service drop clearance of at least 12 feet above the driveway and at least 10 feet above walkways.
- Wall anchor condition: Inspectors will check if the SEC is properly secured to the wall and if it is in good condition.
- Wiring condition: The wires must be free of any visible damage or fraying.
- Service size: Inspectors will pay attention to the amperage entering the home. Modern houses typically need at least 100 amps.
- Service mast condition: The service mast guides the electrical wiring from overhead to the meter and protects high-voltage currents. It should not be bent, warped, or damaged.
- Drip loop: A crucial part of the SEC configuration.
- Service lateral riser: Inspectors can evaluate the point where the line comes up from the ground through the service lateral riser and into the meter. They will check for visible damage to the wiring and ensure all conduit is properly fitted with no gaps.
- Conduit: All wiring needs to be completely encased by conduit.
- Grounding rods: Inspectors will check that these are connected to the main panel and properly buried. They help channel electrical current away from the home and into the earth.
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Electrical panel
An electrical panel, also known as a distribution board, breaker panel, or fuse box, is a crucial component of any electrical system. It is the electrical brains of your home, controlling the current that runs through it and ensuring that the power is disabled if there is a problem.
During a home electrical inspection, the inspector will carefully examine the electrical panel to ensure that it is functioning properly and safely. They will check that the panel is in good condition, test the amperage, and inspect the bus and circuit breakers. They will also tighten all connections as needed and ensure that all breakers are accurately and clearly labelled. The inspector will verify that the panel has been grounded correctly, as an improperly grounded panel can create an electric shock buildup. They will also inspect the wiring in the panel to ensure that it is not older knob-and-tube wiring or made of aluminum, as this can be a potential fire hazard.
The inspector will also test the voltage at various outlets throughout the home to ensure proper grounding and surge protection for electronics. They will test the GFI (ground fault interrupter) outlets, typically found in the bathroom, and recommend them if they are not present. They will also check the circuit breaker to ensure it is functioning properly and is not at risk of overload.
In addition to the visual inspection of the electrical panel, the inspector may also perform voltage testing to ensure proper voltage levels and identify any irregularities. They will also test insulation resistance to detect any insulation breakdown or faults using a megohmmeter. Testing the circuit breakers for proper operation and responsiveness to overcurrent conditions is another important aspect of the inspection.
Overall, the inspection of the electrical panel during a home electrical inspection is crucial to ensure the safety and proper functioning of the entire electrical system in the home.
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Circuit breakers
A home electrical inspection is a comprehensive examination of a home's electrical system, both inside and out, to ensure safety and functionality. It involves checking the electrical panel, wiring, outlets, and other components for any potential hazards or issues. Circuit breakers are a crucial aspect of this inspection process.
- Inspection of the circuit breakers: The inspector will visually inspect the circuit breakers for any signs of damage, corrosion, or water intrusion. They will look for burn marks or charring or any other indications of electrical faults.
- Verification of proper labelling: Clear and accurate labelling of circuit breakers is essential. Inspectors will ensure that each breaker is correctly labelled, making it easier to identify and troubleshoot issues.
- Testing for functionality: The inspector will test the circuit breakers to ensure they are functioning properly. This includes verifying that the breakers can maintain currents at safe levels and trip when necessary. They may perform trial runs to simulate different scenarios and ensure the breakers respond appropriately.
- Checking for overload risks: Overloaded circuits are a common issue in homes. Inspectors will assess whether the circuit breakers are at risk of overload by examining the connected appliances and ensuring the circuits are not drawing more current than they can safely handle.
- Ensuring proper connections: Proper connections are vital for the safe operation of circuit breakers. Inspectors will check that all connections are tight and secure, reducing the risk of loose connections that could lead to arcing or electrical faults.
- Compliance with electrical codes: Inspectors will verify that the circuit breakers comply with local electrical codes and standards. This includes checking the capacity of the breakers, the number of circuits per breaker, and ensuring they meet the minimum service amperage requirements for homes.
By thoroughly inspecting the circuit breakers, electricians or certified inspectors can help prevent electrical hazards, such as fires or shocks, and ensure the safe and efficient operation of the home's electrical system. It is recommended to have your home's electrical system inspected periodically, especially if you notice any issues or if it has been more than three to five years since the last inspection.
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Frequently asked questions
A home electrical inspection ensures the home’s electrical system works as intended. It also reduces the chance of an electrical fire, improves energy efficiency, and ensures that your home’s electric code is up-to-date.
Electrical inspections should be done every three to five years, depending on the age of your home. If you've never had an electrical inspection, it's a good idea to get one done if you've been in your home for more than 10 years, especially if it's an older home.
A home inspector will look at the essential elements of the home’s electrical system, including wiring, outlets, and the main electrical panel. They will also check to confirm that all outlets, fixtures, and appliances are working and that everything appears to be wired correctly.
The cost of a home electrical inspection depends on the type of inspection and your location. Standard electrical inspections typically range from $100 to $200, while a general electrical inspection usually costs around $110-$175. The average cost of a full home electrical inspection is around $350, though larger homes may be charged more.
