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Avatar for Mr. Electric Of Lancaster County
Mr. Electric Of Lancaster County
4.8(
101
)
Fixed Generator - InstallElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation - Materials Provided by Consumer+13 more

Serving Westtown, PA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"

Jim was very professional, friendly and informative. He knew exactly what to do and did all the jobs quickly without disturbance.

We initially hired Mr. Electric do the 200 amp panel upgrade but quickly realized what a great electrician we had so we asked for a quote to do other jobs in our home. The quote was very fast and Tom worked with us to get it in our hands and worked around our schedules to get the work completed. We are really pleased at all the work and will gladly recommend Mr. Electric to all. We will always use this company for all things electrical!


"
60 kW Briggs Generator Install
Ceiling Fan Install
Baseboard Heater Install
Full Electrical Wiring
Ceiling Fan Install

+28

9 neighbors recently requested a quote
Recommended by88%of homeowners
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Electrical questions, answered by experts

It’s possible to distinguish a positive black wire from a negative black wire if you know what type of circuit the wires are in. If it’s an alternating current (AC), then black wires are positive. If it’s a direct current (DC), then black wires are negative. 

Sometimes, a circuit has two black wires. In that case, the positive black wire will be solid black while the negative black wire will have a white stripe on it. If you’re still unsure, you can use a multimeter to check.

Both can and canless lights have distinct advantages, and the better option depends on your specific needs and preferences. Canless lights are often preferred for modern homes due to their slim, low-profile design, energy efficiency, and ability to fit in tight spaces with less ceiling depth required. Can lights, or traditional recessed lights, provide a classic look and may be better for high ceilings or areas that need stronger, more focused light. While they can be durable, they typically require more ceiling space and installation work. Ultimately, you should choose canless lights for a modern look and energy savings, or opt for can lights for a traditional aesthetic and robust lighting in larger spaces.

Single switch installs are quick DIY projects, but you should consider enlisting the help of a pro for more complicated replacements—like a smart switch or if you live in an older home with outdated wiring. Professional electricians are trained in the latest code regulations. They are also insured, licensed, and bonded.

GFCI outlets help prevent dangers from ground faults that can cause shocks. This is a different issue that a ground circuit can’t fully address. It’s best to use GFCI outlets combined with ground circuits for complete protection for you and your electronics.

The American Wire Gauge system calculates wire size diameters using the complicated formula D(AWG)=.005·92((36-AWG)/39) inch. A simpler rule of thumb is that every six-gauge decrease doubles the wire diameter, and every three-gauge decrease doubles the wire’s cross-sectional area. On the other hand, wavenumbers are typically measured in reciprocal meters (1/m or m−1) or reciprocal centimeters (1/cm or cm−1).

The Westtown, PA homeowners’ guide to electrical services

From average costs to expert advice, get all the answers you need to get your job done.