Home / St. Charles County / Lake St. Louis
Electrician in Lake St. Louis
Lake St. Louis is a regular run out of O’Fallon, MO. Storm season decides a lot of the backup power work here.
Serving Lake St. Louis, MO and the rest of St. Charles County.
Owner-operated. Licensed, bonded and insured, with workers compensation coverage.
5.0 from 94 Google reviews · BBB A+
What the houses here need
Lake St. Louis sits in St. Charles County, which means 1990s and 2000s subdivisions, which means services sized before EV chargers and finished basements existed.
That shapes the work. Clint measures before he quotes, tells you what the reading says, and fixes the thing that is actually wrong. If the service is fine and one circuit is overloaded, you hear that.
Permits are pulled where Lake St. Louis and St. Charles County require them, and the work is left ready for inspection. Requirements genuinely differ between municipalities here, which is worth knowing before a closing.
Outdoor circuits and what weather does to them
Receptacles, fixtures and boxes outdoors need the right listing for the location, and a cover rated only for when nothing is plugged in is the wrong cover where something stays plugged in year round.
Freeze and thaw around Lake St. Louis finds every shortcut within a couple of winters. Sealing at penetrations and the correct in-use cover are what make an outdoor circuit last.
Rentals and insurance questions
Insurers and property managers ask about specific things: aluminum branch wiring, knob-and-tube, fuse panels, and whether protection is present in wet locations. Those four questions decide a surprising number of policies.
Each has a documented, accepted remedy rather than requiring a whole-house rewire, and the correction gets documented so the question does not have to be answered twice.
What the inspection process looks like here
Lake St. Louis sits in St. Charles County, and whether a given repair needs a permit depends on which authority has jurisdiction over the address. That is not a formality in this metro: one municipality will treat a circuit addition as a minor repair while the next permits and inspects it.
The practical effect is on timing. A job that needs a permit and an inspection is not a same-day job, and you are told that on the phone rather than discovering it on the day. Work that needs inspecting is left ready for it, with the panel labeled and the junctions accessible.
Why the panel is usually the first conversation
Most calls in Lake St. Louis start somewhere else and end up at the panel, because the panel is where the capacity question gets answered. A tripping breaker, lights dimming when the furnace starts, or a new appliance that will not fit are all the same question asked three ways.
A load calculation settles it, and it settles it in both directions. Plenty of houses that feel short on capacity are comfortably carrying what they ask of them, and the real fix is one dedicated circuit rather than new service.
What changes when a house is being sold
Closings are where electrical problems become expensive, because an inspector’s written item turns into a negotiating position with a deadline attached. The items that come up around Lake St. Louis are consistent: missing equipment grounds at two-prong outlets, protection absent in wet locations, panel labeling, and obsolete or over-stuffed panels.
Working from the written list keeps that short. Each item gets corrected, permitted where Lake St. Louis requires it, re-inspected, and documented for the closing file rather than cleared verbally.
Older houses and newer appliances
The recurring combination around Lake St. Louis is a house wired for the loads of its decade now running a heat pump, an induction range, a finished basement and a car charger. Nothing in the walls failed; the demand changed.
That is a measurement problem rather than a guess. The load gets calculated against the service, and the answer is frequently load management or one new circuit rather than the service upgrade people brace for.
Storms, outages and backup power
Summer storms through this part of Missouri take lines down, and the backup power conversation in Lake St. Louis is usually about a short list rather than the whole house: the furnace blower, the refrigerator, a sump or well pump, some lighting.
Written down and added up honestly, that list is smaller and cheaper than running everything. Whichever size is chosen, the transfer has to make back-feeding the utility physically impossible, which means a transfer switch or a listed interlock.
“Clint did an excellent job installing two bathroom exhaust fans. He installed high-quality fans that were far superior to the ones I had purchased from a big box store. I highly recommend his services.”
David Hinners · Google review
What gets done in Lake St. Louis
- Capacity and equipment
Load calculations, service upgrades, sub-panels and service entrance repairs.
- Intermittent problems
The ones that come and go, which is where dividing the circuit beats guessing.
- Documentation
Inspections, code items and the paperwork a closing or an insurer asks for.
- EV and HVAC circuits
Charging, heat pumps, mini-splits and condenser circuits, sized for continuous duty.
- Devices and fittings
Outlets, switches, fans and fixtures, with box fill and protection checked.
- Generators
Sizing from a load list, then a transfer arrangement the inspector signs off.
Work done in Lake St. Louis
Nearby towns
Clint covers the whole county out of O’Fallon. The housing stock shifts across these towns, and so does what an inspector looks at first.
Every service is listed on the services page, the rest of the area on St. Charles County, and finished work in the gallery. Or put the details in writing.
Questions worth asking first.
Battery or generator?
A battery is silent and instant for a limited number of hours; a generator runs as long as it has fuel. How long your power usually stays out decides it.
How do I know if my panel brand is a problem?
Federal Pacific Stab-Lok and Zinsco both have documented failure-to-trip histories and no current listed replacement breaker, so the panel gets replaced rather than repaired. The label on the door identifies it in seconds.
Can you handle the items on my inspection report?
Yes. Send the report. The items get corrected, permitted where the municipality requires it, and re-inspected so the file closes before your closing date.
What do your reviews say?
5.0 from 94 Google reviews, and A+ accreditation with the BBB held since 2022. The reviews are on the reviews page with links to where each was posted.
Who actually shows up?
Clint Ehman. Infinity Electric is owner-operated, so the person who answers the phone is the person who measures your panel and pulls the permit. There is no dispatcher and no commissioned salesman.
Electrical work in Lake St. Louis.
Call and describe the symptom. You will get a reading and a straight answer about what it means.
Mon-Thu 8-5 · Fri 8-4 · Sat 10-3. If a message suits you better, there is a form.

