Top-rated electricians.

Get matched with top electricians in Central Islip, NY

Enter your zip and get matched with up to 5 pros

Need a pro for your electrical service project in Central Islip, NY?

Select your specific project to find the pro for you.

TRUSTED BY CENTRAL ISLIP, NY HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon837
    Verified electrical services reviews

Find Electricians in Central Islip

Avatar for TFC ELECTRIC, INC.
TFC ELECTRIC, INC.
5.0(
206
)
Electric Vehicle Charging Station InstallationElectric Vehicle Charging Station Installation - For BusinessElectrical Switches, Outlets & Fixtures - Install or Repair+8 more

Serving Central Islip, NY and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"From start to finish, TFC Electric was extremely easy to deal with. Tom, Teresa, and crew are very professional, courteous, and customer friendly. They are punctual, neat, and skilled electricians. We were 100% satisfied with their work and will certainly use them again in the future for any other electrical work we might need. We recommend them highly."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+29

Response time2 days
Recommended by98%of homeowners
Avatar for Shamrock Electric Co Inc
Shamrock Electric Co Inc
4.9(
319
)
Electric Vehicle Charging Station InstallationElectric Vehicle Charging Station Installation - For BusinessElectric Vehicle Charging Station Installation - For Business - Materials Not Provided+10 more

Serving Central Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Free estimates

Emergency services offered

"We have used Shamrock Electric Electric a few times over the last 5 years…. Wiring a new electric oven that replaced a gas oven…. Fixing our high hat in our kitchen… and replacing an outdoor light motion detector … each time Mike did excellent work….Always fair pricing.. We highly recommend Mike and Shamrock and will call him for any future electrical repairs ."
Electrical Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Response time6 hrs
Recommended by97%of homeowners
Avatar for BQ Electric Inc
BQ Electric Inc
4.8(
423
)
Electric Vehicle Charging Station Installation - Materials Not ProvidedElectrical Wiring or Panel UpgradeElectric Vehicle Charging Station Installation+10 more

Serving Central Islip, NY and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"From start to finish, Best Quality Electric delivered an exceptional, white-glove experience. The process began with a dedicated consultation that was educational, detailed, and thoughtfully planned—setting a clear vision before any work even began. The following day, the team arrived precisely on time and immediately demonstrated a level of professionalism that is rare to find. Shoe protection was used, and every floor and piece of furniture was carefully covered. Their respect for the home was as impressive as their craftsmanship. Watching the two electricians work was remarkable. They operated in perfect sequence, anticipating each other’s next step, covering every single detail with precision. Not one question went unanswered—each was met with patience, clarity, and deep expertise that inspired complete confidence. Best Quality Electric truly lives up to its name. This is not just electrical work—it’s a refined, high-standard service experience. Bold, meticulous Toptier work!"
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for PKJ Electrical
PKJ Electrical
5.0(
18
)
Electrical Wiring or Panel UpgradeElectrical Switches, Outlets & Fixtures - Install or RepairElectric Vehicle Charging Station Installation+10 more

Serving Central Islip, NY and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"PKJ Electrical is the most professional electrician's I have ever hired. They were on time, courteous and very knowledgeable. They replaced my breaker box. I have never before seen the wires so neat and organized as I did after he was finished with my job. I will only hire PKJ for all of my future electrical needs. Thank you again for such a wonderful experience."
Response time7 hrs
Response rate100%
3 neighbors recently requested a quote
...
Showing 1-10 of 871
Electrical questions, answered by experts

In the case of electrical overflow, an ungrounded outlet should trip the circuit breaker, staving off dangerous scenarios. However, this is not always the case, especially if the wires and circuit breaker are worn down or damaged in some way. Ungrounded wires melt over time as they are introduced to more and more electricity. In other words, a circuit breaker offers protection in most instances but not always, and that’s where the danger lies with ungrounded outlets.

The standard voltage for United States power outlets isn’t shared around the world, and neither is the shape of the power connector. This is why you need travel adapters when spending time abroad. Where the United States typically uses 110/120V outlets, outlets in Europe typically use 220/240V. Power outlets can vary in other ways around the world, too. Not everyone uses the 60Hz frequency, for example, and not everyone even uses AC power in outlets. Always do your research when traveling to see what you need.

The life expectancy of a home electrical panel is typically around 25 to 40 years. However, this can vary based on usage, maintenance, and technological advancements. Regular inspections by a qualified electrician can help determine the condition and potential need for replacement as your panel ages. Factors like overloading, outdated components, or wear and tear might prompt earlier replacements for safety and efficiency reasons.

Aluminum wiring can pose a fire risk as it can overheat, expand, and contract, leading to failing splices and loose connections. If your home has aluminum wiring, it requires careful maintenance and potential safety upgrades. The first step is to hire a licensed electrician to conduct a thorough inspection.

A complete replacement with copper wire is the safest option but can be very expensive and is not always necessary. Other safety measures and upgrades include:

  • Copper Pigtailing: A more budget-friendly option where a short section of copper wire is added to each end of the aluminum wire. This is only appropriate for certain homes.

  • Aluminum-Compatible Outlets: Installing outlets specifically designed for use with aluminum wiring.

  • Anti-Oxidant Paste: Applying this paste to connections to prevent oxidation.

Consulting with a qualified electrician is essential to assess the condition of your wiring and determine the most appropriate updates to meet current safety standards.

How far you can run underground electric depends on the wire gauge (generally AWG) and the circuit voltage. Too much voltage drop in an electrical circuit can negatively affect performance, so the smaller the voltage drop, the better. Ideally, it shouldn't exceed 3%. The smaller the wire and the longer the run, the more significant the voltage drop. 

For example, with a 120-volt circuit, you can run 60 feet of 12 AWG cable without losing more than 3% voltage. With a 240-volt circuit, you can run 120 feet of 12 AWG wire while maintaining a voltage drop of 3% or less.

The Central Islip, NY homeowners’ guide to electrical services

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