- 1504 17th St. East Moline, IL 61244
If you own a home or business in the Quad Cities, electrical questions tend to come up at the worst possible time. Maybe your breakers keep tripping. Maybe you’re thinking about a panel upgrade. Maybe you want to know whether a whole-house generator is worth it before the next storm rolls through.
This page answers some of the most common questions homeowners and business owners ask about electrical systems, repairs, upgrades, and backup power.
If you need help now, contact Blackhawk Electric & Generators Inc. at (309) 797-6000.
You should call an electrician if you notice flickering lights, warm outlets, breakers that trip often, burning smells, buzzing sounds, or outlets that stop working. Electrical issues rarely fix themselves, and waiting can make the problem more expensive or more dangerous.
For common electrical terms, see our Electrician Glossary.
Common warning signs include:
These are signs that your system may need repair, troubleshooting, or an upgrade.
Breakers usually trip because a circuit is overloaded, there is a short, or there is a ground fault. A breaker that trips once may be incidental. A breaker that trips repeatedly means the circuit should be inspected.
Sometimes flickering lights are caused by a loose bulb, but repeated flickering can point to loose wiring, overloaded circuits, or panel issues. If the flickering happens in multiple rooms or when larger appliances start, it is worth having checked.
A dead outlet can be caused by a tripped GFCI, a loose connection, a damaged outlet, or an issue elsewhere on the same circuit. If resetting nearby GFCIs does not solve it, an electrician should test the circuit.
A GFCI outlet is a safety device designed to shut off power when it detects current flowing outside its intended path. These are commonly installed in kitchens, bathrooms, garages, and outdoor areas where moisture may be present.
A GFCI may trip because of moisture, a faulty appliance, wiring issues, or a worn-out outlet. If it trips more than once or without a clear reason, it should be inspected.
An AFCI breaker is a safety device that helps detect dangerous electrical arcing that can lead to fires. These are often used in bedrooms, living areas, and other finished spaces.
See AFCI in the glossary.
A fuse box uses fuses that must be replaced when they blow. A breaker panel uses resettable breakers. Many older homes still have fuse boxes, but most modern homes use breaker panels because they are easier to manage and typically better suited for modern electrical demand.
A panel upgrade is often needed when the panel is outdated, the breakers trip often, there is not enough capacity for new appliances, or the home still uses fuses. It is also common during renovations or when adding a generator or EV charger.
See our Electrical Panel Upgrade page.
Older brands, rust, overheating, frequent tripping, or a lack of available breaker space are all signs a panel may be outdated. If your home is older and has never had a panel update, it may be time for an inspection.
Sometimes yes, sometimes no. It depends on the panel’s size, condition, capacity, and how much electrical demand the home already has. An electrician can determine whether the panel can be expanded safely.
For many homeowners, yes. A panel upgrade can improve safety, reduce nuisance breaker trips, support modern appliances, and prepare the home for future additions like a generator, hot tub, or EV charger.
A dedicated circuit is a circuit reserved for one appliance or device. Many large appliances, such as ovens, microwaves, refrigerators, sump pumps, or EV chargers, need their own dedicated circuits.
This can be caused by voltage drop, heavy startup loads, loose connections, or insufficient panel capacity. If dimming is frequent, it is worth having the system checked.
A burning smell can indicate overheating wires, a loose connection, a failing breaker, or a damaged outlet. This should be treated seriously, and power to that area should be avoided until it is inspected.
A small spark can sometimes happen when plugging in a device, but repeated sparking, large sparks, or sparks with a popping sound may indicate a wiring or outlet problem. Stop using the outlet and have it inspected.
No. Outlets and switches should not feel noticeably warm under normal use. Warmth can mean loose wiring, excessive load, or a failing device.
Yes. Older wiring can become brittle, damaged, or undersized for modern electrical needs. In older homes, wiring inspections are especially important.
Knob-and-tube is an older wiring method found in some older homes. It may still function in some cases, but it often lacks the capacity and grounding homeowners want today.
See Knob-and-Tube Wiring.
Older homes are often good candidates for electrical inspections, especially before remodeling, after purchasing the home, or when recurring issues appear. Inspections help identify outdated wiring, overloaded circuits, and safety concerns.
There is no one-size-fits-all answer, but inspections are wise when buying an older home, after major renovations, before adding heavy electrical loads, or when recurring issues start appearing.
Simple tasks like changing a light bulb are one thing. Wiring changes, panel work, outlet replacement, and troubleshooting are another. Electrical mistakes can create shock hazards, fire risks, and code issues, so most electrical work is better left to a licensed professional.
Many electrical projects do require permits, especially panel replacements, major rewiring, service changes, or generator installations. Permit requirements depend on the scope of work and local jurisdiction.
A whole-house generator is a permanently installed standby generator that automatically supplies power when utility power goes out. It is connected to the home’s electrical system and typically works with a transfer switch.
See our Generator Installation page and the glossary term Standby Generator.
A standby generator is permanently installed, starts automatically, and connects directly to the home. A portable generator must be moved into place and set up manually. Standby generators are usually more convenient for long-term backup power.
A transfer switch safely moves the home from utility power to generator power. It helps prevent dangerous backfeeding and allows the generator to power selected circuits or the whole home, depending on the setup.
For permanent standby generators, yes. It is a key part of a safe and code-compliant installation.
It depends on the generator size, site conditions, electrical setup, and utility coordination. Some installs move quickly, while others take longer if site prep or service upgrades are needed.
Generator size depends on what you want powered during an outage. Some homeowners only want essentials. Others want nearly the whole house covered. An electrician can calculate the load and recommend the right system.
Sometimes yes, but it depends on the generator size and your home’s electrical demand. Some systems are designed to handle only critical loads, while larger systems can cover most or all of the home.
For many homeowners, yes. If storms, outages, sump pumps, heating equipment, or home offices are a concern, backup power can provide convenience and peace of mind.
It should be serviced based on the manufacturer’s schedule and actual usage. Regular maintenance helps ensure it starts properly during an outage.
Yes, in most cases. Many homeowners install Level 2 chargers for faster charging. The home’s panel capacity and available circuit space should be evaluated first.
This Link to a EV Charger Installation page
Not always, but sometimes. If your panel is already near capacity, an upgrade may be needed before adding an EV charger.
Whole-home surge protection is installed at the electrical panel to help protect electronics and appliances from voltage spikes. It adds broader protection than individual power-strip surge protectors.
See Surge Protector
It can be, especially in homes with expensive electronics, smart home devices, HVAC equipment, appliances, and home offices. It adds another layer of protection against sudden surges.
Yes. Electricians commonly install security lights, porch lights, landscape lighting, patio lighting, and outdoor outlets.
Link To lighting service page.
Outdoor outlets typically need weather-resistant protection and, in many cases, GFCI protection. Proper covers and installation methods are important.
New appliances increase electrical demand. If several large appliances are added at once, your usage may rise noticeably, especially during heating or cooling seasons.
Electrical load is the amount of electricity being used by devices and systems on a circuit or in the home as a whole.
Voltage drop is the reduction in voltage over the length of a circuit. It can happen when wire runs are long, loads are heavy, or the system is under strain.
Yes. A failing breaker can sometimes overheat, fail to trip properly, or cause inconsistent power problems. Breakers do wear out and should be checked if symptoms point in that direction.
A subpanel is a secondary panel that receives power from the main panel. It is often used in garages, additions, workshops, or other areas that need more circuit space.
Sometimes. A subpanel can add circuit space, but it does not solve every capacity issue. If the main service is too small, a full service or panel upgrade may still be needed.
This can happen because of a tripped main breaker leg, utility issue, panel issue, loose connection, or damaged service component. This is not something to ignore, especially if the problem is repeated.
First, determine whether the outage is isolated to your home or affects the neighborhood. Check the panel for tripped breakers, avoid opening refrigerators unnecessarily, and use generators only in safe, approved ways. If the issue appears to be inside the home, call an electrician.
Also see Generator Installation
Yes. Sudden voltage spikes can damage appliances, electronics, HVAC systems, and smart devices. That is one reason homeowners consider surge protection.
Look for experience, clear communication, a strong local reputation, and a company that handles the type of work you need, whether that is repairs, upgrades, generator installation, or commercial service.
Blackhawk Electric & Generators Inc. provides electrical services for homeowners and businesses in and around the Quad Cities, including electrical repairs, panel upgrades, generator installation, and other electrical work.
For help now, call (309) 797-6000.
