From older homes with aging wiring to newer builds that need additional circuits, the range of electrical work we handle covers just about every situation a homeowner or business owner runs into. We do repairs and troubleshooting, panel upgrades, outlet and switch installation, indoor and outdoor lighting, wiring and rewiring, and a lot more. Every job is approached with code-compliant wiring practices, and where GFCI and AFCI protection is required or simply the safer choice, we install it properly. Whether the call comes from a single-family home, a multi-unit rental, or a commercial office, we bring the same commitment to getting the wiring done right the first time. We'll take care of the circuits from here.
No matter what's going wrong with your wiring, there is usually a clear answer once the right diagnostic work is done. Flickering lights, dead outlets, breakers that trip repeatedly, circuits that just stop working -- these are the calls we get every day, and we have seen them all. When we arrive, we take the time to trace the problem to its actual source rather than patching over the symptom. That means checking the panel, testing outlets, inspecting wiring connections, and looking at GFCI and AFCI protection where it applies.
A dedicated appliance circuit that keeps tripping is often a sign the circuit is undersized for the load it is carrying. We diagnose that correctly and give you an honest picture of what the fix involves. No pressure and no gimmicks, just safe, solid wiring and a clear explanation of what we found. Call us and we'll walk you through the fix.
Older electrical panels were not designed to carry the loads modern homes demand. A 100-amp service that worked fine in the 1970s can become a real limitation -- and a safety concern -- when you are running a home office, a large kitchen, an EV charger, and a whole-home generator on the same system. We handle panel replacements, 100-to-200-amp service upgrades, and service entrance work for homes and commercial properties throughout Wilson County.
For older homes, the wiring itself can be the bigger issue. Knob-and-tube wiring and aluminum branch-circuit wiring both carry risks that modern code-compliant wiring does not. We assess what is in place, explain what needs to change, and carry out whole-home rewiring in a way that minimizes disruption while bringing the system up to current standards. The goal is always a safe, reliable electrical system that you do not have to worry about. Give us a ring and consider it handled.
Some of the most common calls we receive are also the most satisfying to close out quickly. Adding an outlet to a room, replacing a worn switch, installing a dimmer, swapping out a standard outlet for a GFCI model in a bathroom or kitchen -- these are jobs that make an immediate difference in how a space works and feels.
Lighting is another area where the right installation changes everything. We run recessed lighting, hang pendant and track fixtures, install outdoor and security lighting, and handle the wiring that goes with all of it. LED recessed lighting in particular has become a popular upgrade for homeowners who want better light and lower energy use without a major renovation. Ceiling fan installation rounds out this category. Whether it is a straightforward swap or a new wiring run to a room that has never had a fan, we handle the full job. Call and we'll get the current flowing right.
Mt. Juliet has grown considerably over the past decade, and with that growth has come a significant increase in electric vehicle ownership. A Level 2 home EV charger is a practical upgrade for any household with an electric or plug-in hybrid vehicle. It charges far faster than a standard 120-volt outlet, and it runs on a dedicated 240-volt circuit sized specifically for the load.
Before installation, we assess the panel to confirm it has the capacity to support the new circuit. If an upgrade is needed, we handle that too. The result is a properly wired, code-compliant charging setup that works reliably every time you plug in.
Tennessee storm seasons bring the kind of weather that can knock out power for hours or days at a stretch. A backup generator paired with a properly installed transfer switch means your home or business keeps running when the grid does not. We wire standby generators, install manual and automatic transfer switches, and make sure the connection between the generator and your panel is safe, code-compliant, and ready when you need it.
You schedule it. We power it. Simple as that.
Power strips with built-in surge protection are useful, but they only cover the devices plugged directly into them. A panel-level whole-home surge protector guards every circuit in the building at once, including appliances, HVAC systems, and anything else connected to the electrical system. For homes with significant electronics, home offices, or valuable equipment, it is a worthwhile layer of protection that most homeowners do not think about until something gets damaged.
Electrical safety inspections serve a different but equally important purpose. We perform pre-purchase inspections for buyers who want to know what they are getting into before closing, compliance inspections for landlords and property managers, and general safety checks for homeowners in older homes who have not had the system looked at in years. We take pride in the electrical work we leave behind, and that extends to the inspection process. We tell you what we find, explain what it means, and let you decide how to move forward. Call us and we'll walk you through what the inspection covers.
Property managers trust us to keep their buildings powered, and we have built long-standing relationships with landlords, commercial tenants, and business owners across the area because we show up when we say we will and do the work correctly the first time. Commercial electrical work requires a different level of coordination than a standard residential call. Scheduling matters. Minimizing downtime matters. Consistent quality across multiple units or locations matters.
We handle commercial repairs, office and retail electrical work, electrical rough-in for additions and tenant improvements, and panel capacity upgrades for commercial loads. Dedicated circuits for commercial equipment, proper grounding, and code-compliant wiring are standard on every job. Whether you manage a single rental property or a portfolio of commercial spaces, we are the kind of electrician who fits into your workflow without creating problems. We'll take care of the circuits from here.
Electrical costs vary depending on the scope of the job, the condition of the existing wiring, and what the work actually requires once we get a look. We do not believe in quoting one number and billing another. Before any work begins, we explain what we found, what the fix involves, and what it will cost. If something unexpected comes up mid-job, we talk to you before we proceed.
For customers who need help today, same-day scheduling is available for most repairs and installations. For situations that cannot wait at all, we offer 24/7 emergency availability. Call for a quote and we will give you a clear, honest picture of what the job involves and what it will cost.
Quick response. Straight pricing. No surprises at the panel.
Every job we complete is held to current electrical code standards. That is not a marketing statement -- it is how licensed electricians are supposed to work, and it is how we have operated for more than 40 years. Code compliance protects your home, your family, and your investment. It also matters when you sell the property or file an insurance claim. Work performed by licensed electricians and documented correctly gives you a paper trail that protects you long after the job is done.
We do not cut corners to finish faster or save a few dollars on materials. When we close up a wall or button up a panel, we are confident in what is behind it. That is the standard we hold ourselves to on every call, whether it is a single outlet or a full rewiring project.
We have been doing this work since 1983, which puts us at more than four decades of electrical jobs completed in Wilson County and the surrounding communities. That history means we have seen just about every wiring situation a Tennessee home or business can present. It also means our reputation here is built on real work, not marketing.
Our electricians know the wiring and panel issues that come up most often in this part of Tennessee. Older homes throughout Wilson County still carry knob-and-tube or aluminum branch-circuit wiring, and newer subdivisions in Mt. Juliet can push panel capacity faster than expected. We understand the local codes, the permit process, and the specific conditions that affect electrical systems in this climate.
The work is performed by licensed electricians who focus exclusively on electrical. We do not send a generalist to handle wiring, and we do not hand off jobs to subcontractors we have not worked with. Every person we put on a job is there to do the electrical work correctly and to code.
We stand behind the work we do. If something we installed or repaired is not performing the way it should, call us and we will come back and make it right. We take pride in the electrical work we leave behind, and that means we are accountable for it after the job is closed.
Before we start, we explain what we found and what the work involves. If something unexpected comes up once we are into the job, we stop and talk to you before we proceed. We do not make decisions about scope or cost without your input. You should always know what is happening and why.
When you call (629) 313-9459, you reach a real person who can talk through your situation and give you a straight answer about scheduling. For same-day needs, we tell you honestly what is available. We do not leave calls unreturned or let messages sit.
We schedule jobs with enough time to do the work correctly rather than rushing from one call to the next. If a job runs longer than expected, we communicate with customers who are waiting. Our goal is to show up when we say we will and finish the job before we leave.
John Dorn Electric has served Mt. Juliet and the surrounding Wilson County communities since 1983. More than four decades of residential and commercial electrical work, from everyday repairs to major panel upgrades and everything in between. We are ready to help with whatever your property needs.
Call (629) 313-9459 to request a quote or schedule a service call. Whether it is an emergency at 2 in the morning or a planned upgrade you have been putting off, we are the local electricians who will show up, do the work right, and leave the property better than we found it.
You schedule it. We power it. Simple as that.
From a tripped breaker to a full panel upgrade, we handle the complete range of residential and commercial electrical work across Mt. Juliet and Wilson County. The table below lays out what each service covers, who it is best suited for, and a practical note to help you decide what to schedule first. Call (629) 313-9459 and we will talk through exactly what your home or building needs.
| Service | Scope of Work | Ideal For | Things to Know |
|---|---|---|---|
| Older-Home Rewiring | knob-and-tube removal, aluminum wiring remediation, grounding and bonding upgrades, whole-home or partial rewire | owners of pre-1980 homes in Mt. Juliet and Wilson County dealing with aging wiring, insurance requirements, or a recent home inspection flag | Ungrounded outlets and outdated wiring are common in older homes across the area. We assess what is there and give you a straight picture of what the remediation involves. |
| Electrical Repairs & Troubleshooting | dead outlets, tripping breakers, flickering or dimming lights, circuit faults | any homeowner or business with an electrical problem that needs a same-day diagnosis | Where possible we complete the repair on the same trip so you are not waiting on a callback. |
| Backup Generator Installation | transfer switch installation, generator circuit hookup, panel connection and load wiring, code-compliant disconnect | homeowners who need to keep critical systems running during Tennessee storm outages | A transfer switch is required for safe operation. It protects utility workers and your household. We wire it to code on every installation. |
| EV Charger Installation | dedicated 240-volt circuit, Level 2 charger outlet or hardwired install, panel capacity check, garage and driveway runs | EV owners who want overnight charging instead of waiting days on a standard outlet | We check panel capacity before running the circuit so the added load does not push an older service past its limits. |
| Breaker & Fuse Repair | breaker replacement, fuse box service, nuisance trip diagnosis, panel interior inspection | homes with a breaker that trips repeatedly or a fuse box that keeps blowing | A breaker that trips under normal load often points to a wiring issue, not just a worn breaker. We trace the cause before replacing parts. |
| Whole-Home Surge Protection | panel-level surge protector installation, grounding and bonding check, protection for electronics and appliances | any home in Middle Tennessee with smart appliances, electronics, or equipment worth protecting from lightning and grid surges | Panel-level protection is one of the most cost-effective upgrades you can add. It works alongside outlet-level strips, not instead of them. |
| Wiring & Rewiring | whole-home rewiring, knob-and-tube replacement, aluminum branch-circuit remediation, addition and remodel wiring | older homes with outdated wiring that no longer meets code or insurer requirements | Knob-and-tube and aluminum wiring can create insurance problems and safety risks. Replacing it brings the home up to current standards and makes it insurable. |
| Dedicated Appliance Circuits | ranges and ovens, dryers and washing machines, workshop equipment, sump pumps and basement circuits | homeowners adding a major appliance, finishing a basement, or setting up a workshop | Most large appliances require their own circuit. Running a shared circuit can cause nuisance trips and puts the wiring under stress it was not designed to handle. |
| Outlet & Switch Installation | GFCI outlets, AFCI-protected circuits, USB outlets, dimmer switches | homeowners updating kitchens, baths, or outdoor spaces, or adding USB charging where they need it | GFCI protection is required by code in kitchens, bathrooms, garages, and outdoor locations. We bring existing outlets up to current code when we are on-site. |
| Electrical Safety Inspections | whole-home wiring inspection, panel and grounding review, pre-purchase and pre-sale inspections, code compliance check | buyers, sellers, and homeowners who want to know the condition of their electrical system before a problem shows up | A pre-purchase inspection gives buyers a clear picture of what they are getting into before closing. We explain what we find and what, if anything, needs attention. |
| Ceiling Fan Installation | new fan installation, fan and light combo wiring, switch and control upgrade, box and brace replacement | homeowners adding comfort in bedrooms, living rooms, or covered porches | Ceiling fans need a rated electrical box. If the existing box is not fan-rated, we replace it as part of the install. |
| Lighting Installation | recessed and LED lighting, under-cabinet lighting, exterior and security lights, landscape and motion-sensor fixtures | homeowners remodeling a room or adding outdoor security and curb-appeal lighting | We handle the wiring from panel to fixture, so the job is done cleanly and to code whether it is one fixture or a full room. |
| Electrical Panel & Service UpgradesMost Popular | 200-amp panel upgrades, fuse-to-breaker conversions, subpanel installation, load calculation and sizing | homes with a 100-amp panel, a fuse box, or a panel that is running out of capacity for modern loads | Every panel upgrade includes a load calculation so the new service is sized for what you actually need today and in the future. |
How do I know if my panel needs to be upgraded?
A few signs point clearly to a panel that has reached its limits: breakers that trip under normal loads, a fuse box that has never been replaced, circuits that cannot carry the demand of modern appliances, or a panel that is simply full with no room to add circuits. Homes in Wilson County that were built or last updated decades ago often have 100-amp service that was never designed for today's electrical loads. If you are adding an EV charger, a large appliance, or a home addition, we do a load calculation first to confirm whether the existing service can carry it. Call (629) 313-9459 and we will talk through what your panel looks like.
What causes a breaker to trip repeatedly?
A breaker that trips over and over is usually telling you one of three things: the circuit is overloaded and drawing more current than it was sized for, there is a short circuit or ground fault somewhere in the wiring, or the breaker itself is worn and tripping at a lower threshold than it should. Resetting it without finding the cause does not fix the underlying problem. We diagnose the fault on-site and explain what we found before doing any work.
Is electrical work permitted and inspected to code?
Most electrical work beyond basic repairs requires a permit and a code inspection by the local authority. We pull the required permits and make sure the work passes inspection. This matters for your safety, your homeowner's insurance, and the resale value of your property. Work performed by licensed electricians and done to current code is the only standard we work to.
Same-Day and Emergency Availability
Electrical problems do not always wait for a convenient moment. We offer same-day appointments when the schedule allows and take calls for urgent situations every day from 6:30 AM to 10:00 PM.
Are older homes in the area safe to live in without rewiring?
It depends on what is there. Some older homes have been partially updated over the years and are in reasonable shape. Others still carry knob-and-tube or aluminum branch-circuit wiring that can create safety risks and insurance complications. The only way to know is to have the wiring inspected. We look at what is actually in the home and give you a straight answer about whether it needs attention and what that would involve.
What do flickering or dimming lights usually mean?
Occasional flickering when a large appliance kicks on is normal and usually means the circuit is carrying a heavy load. Persistent flickering, lights that dim throughout the house, or a single circuit that flickers without an obvious cause can point to a loose connection, a failing breaker, or a wiring problem that deserves a closer look. It is worth a call rather than waiting to see if it gets worse.
What does EV charger installation involve?
A Level 2 home charger runs on a dedicated 240-volt circuit, the same voltage as a dryer or range. We run the circuit from your panel to the garage or driveway, install the outlet or hardwire the charger unit, and confirm the panel has the capacity to carry the added load without affecting other circuits. If the panel is close to its limit, we talk through whether an upgrade makes sense before we start the circuit run.
Work Performed by Licensed Electricians
Every job is handled by licensed electricians who know the local codes and take the work seriously. We do not cut corners, and we do not leave until the job is done right.
How does backup generator hookup work?
We handle the electrical side of the installation: running the circuits, installing a transfer switch, and connecting the generator to your panel. The transfer switch is what makes the system safe. It isolates your home from the utility grid when the generator is running, which protects utility workers restoring power and prevents backfeed damage to your equipment. We wire it to code and walk you through how it operates before we leave.
Is a warm or buzzing outlet something I should worry about?
Yes. An outlet that is warm to the touch, makes a buzzing or crackling sound, or shows any discoloration around the cover plate is a sign of a wiring problem that needs attention. Stop using it, do not reset anything connected to it, and call us. These are not situations to monitor and see if they improve on their own.
Upfront Quotes With No Surprise Fees
We explain what we found, what the fix involves, and what it will cost before any work begins. If something unexpected comes up, we talk to you first.
How do estimates and pricing work?
We give you a straight quote before any work begins. We explain what we found, what the repair or installation involves, and what it will cost so there are no surprises at the end of the job. If something unexpected comes up once work is underway, we talk to you before we proceed. Call (629) 313-9459 to get an estimate on any job.
Do I need to be home when the electrician arrives?
For most jobs, yes. We need access to the panel, the work areas, and in many cases interior rooms. If you have a situation where you cannot be present, call us and we will talk through what is possible. For commercial properties, a property manager or designated contact works fine.
Are you available for same-day or emergency calls?
Same-day service is available when the schedule allows. We are also available every day from 6:30 AM to 10:00 PM for urgent situations that cannot wait. If something in your home or building needs attention outside standard hours, call (629) 313-9459 and we will tell you honestly what we can do and when we can be there.
Every home and building is a little different, so call (629) 313-9459 and we will give you a straight answer about what your electrical system needs and what it will cost to get it there.
(629) 313-9459