Electrical Guides for Cleveland Homeowners
Practical guides to the problems and plans that come up in Cleveland-area houses, and a glossary of the words electricians use.
Why Your Breaker Keeps Tripping A troubleshooter for repeat trips, safe reset steps and the signs that mean stop. For anyone resetting the same breaker again, or a GFCI or AFCI that will not stay on. Seasonal Electrical Maintenance for Cleveland Homes A season-by-season task list, GFCI and alarm tests, and storm checks. For older houses, damp basements with sump pumps, and homes with outdoor outlets. Buyer’s Guide to Panel Upgrades The upgrade options side by side, and what makes one job bigger than another. For houses on fuses or a full panel, or planning a charger, a heat pump or a new kitchen.
Electrical Terms in Plain English
Words from estimates, inspection reports, panel labels and fixture cartons, each in a sentence or two.
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- AFCI (arc-fault circuit interrupter)
- A breaker or outlet that senses the pattern of arcing, from a crushed cord or a loose connection, and cuts power.
- Aluminum branch wiring
- Aluminum wire used for outlets and lights in some houses from the mid-1960s to the mid-1970s. Its connections can loosen and overheat.
- Ampere (amp)
- The unit of current. Wires, breakers and services are rated in amps: a 15-amp circuit, a 200-amp service.
- Arc fault
- Electricity jumping a gap at a loose terminal, a frayed cord or a nail through a cable, making intense heat.
- Breaker
- A switch in the panel that shuts a circuit off on its own when too much current flows.
- Bus bar
- The metal bars inside a panel that breakers clip onto, carrying power to each circuit.
- Color temperature
- How warm or cool white light looks, in kelvins: 2700K is warm, like an old bulb; 4000K looks cooler.
- Conduit
- Metal or plastic tubing that wires are pulled through, used outdoors, in shops and where cable could be damaged.
- Dedicated circuit
- A circuit that serves one appliance only, such as a microwave, a sump pump or a car charger.
- Dimmer
- A switch that varies brightness. LED bulbs need one rated for LED loads, or they may flicker or buzz.
- Double tap
- Two wires under a breaker terminal made for one; a frequent home inspection finding.
- Fan-rated box
- A ceiling box listed to carry a fan’s weight and its shaking. An ordinary light box is not.
- Gauge (AWG)
- Wire size. Smaller numbers are thicker: 14-gauge copper for 15-amp circuits, 12-gauge for 20-amp ones.
- GFCI (ground-fault circuit interrupter)
- An outlet or breaker that cuts power within a fraction of a second when current leaks to ground, such as through a person.
- Ground
- The bare or green wire that gives fault current a path back to the panel, so the breaker trips.
- Ground fault
- Current leaving its normal path and flowing to ground through metal, water or a person.
- Hot wire
- The wire carrying current out from the breaker, usually black or red. Treat it as live until tested.
- IC-rated
- A recessed light allowed to touch insulation. Others need clearance that an insulated ceiling rarely gives.
- Junction box
- A closed box where wires are spliced. Every splice belongs in one, with its cover reachable.
- Knob-and-tube
- The earliest house wiring, used into the 1940s: single wires on ceramic knobs and tubes, with no ground. Some pre-war Cleveland houses still have it.
- Level 2 charger
- An EV charger on a 240-volt circuit, several times faster than a standard 120-volt outlet.
- Load calculation
- A standard way of adding up a home’s electrical demand, to size a service or check room for a big new load.
- Lumen
- A measure of how much light a bulb gives. Compare lumens, not watts, when choosing LED bulbs.
- Meter base
- The socket box on the outside wall that holds the utility’s meter.
- Neutral
- The wire, usually white, that carries current back to the panel. It carries current under load, so it is never safe to touch.
- NM cable
- Plastic-sheathed cable holding insulated wires and a bare ground, the usual house wiring for decades.
- Overload
- More current than a circuit is rated for, usually from too much running at once.
- Pigtail
- A short wire spliced on to extend a connection, such as joining several wires to one device.
- Service entrance
- Where utility power comes in: the overhead or underground wires, the meter base and the cable to the panel.
- Short circuit
- A hot wire touching a neutral, a ground or another hot. Current rushes through and the breaker trips at once.
- Subpanel
- A second panel fed from the main one, often in a garage, a basement or an addition.
- Surge protective device
- A unit at the panel that clamps voltage spikes from lightning or utility switching before they reach the house circuits.
- Tandem breaker
- A breaker that fits two circuits into one panel space, allowed only in panels and slots made for it.
- Three-way switch
- One of a pair of switches that run the same light from two places, such as the top and bottom of a stair.
- Volt
- The unit of electrical pressure. House outlets run at about 120 volts; dryers, ranges and chargers at 240.
- Watt
- The unit of power, roughly volts times amps. A 15-amp, 120-volt circuit tops out near 1,800 watts.
- Wire nut
- A twist-on connector that joins wire ends inside a box, sized for the number and gauge of the wires.
When a Job Needs an Electrician
Some electrical tasks are fine for a homeowner: resetting a breaker once, pressing the TEST buttons on GFCI outlets and AFCI breakers, changing bulbs, labeling the panel directory and keeping the space in front of the panel clear.
Anything behind a cover plate or the panel cover is different. New circuits, breaker swaps, aluminum or knob-and-tube wiring, and any outlet, switch or panel that feels warm, smells scorched or buzzes need an electrician. So does a box whose wires look brittle or crowded, which is how a simple fixture swap in an older house turns into a repair.
A warm cover plate or a buzzing switch is an electrical repair call, not a weekend project.