Welcome Home!

Nothing is more inviting than a well-lit home. Let us brighten your driveway, walkway, and front door.

Our fleet of trucks are standing by

Our fleet of trucks are standing by ready to dispatch our team of experienced electricians. We offer free estimates and 24 hour emergency service for our customers.

E & M O'Hara can install customer-supplied lighting.

These inexpensive chandeliers are made with colorful drum shades from IKEA.

The Main Office

Eddie, Kelly Ann, Stephany and Margot. At your service!

Kitchen Renovations

Optimum placement of lighting and outlets for function and beauty.

Michael and Edward O'Hara

The two brothers started the company in 1963. Our mission, then and now, has always been to provide expert electrical service at competitive prices.

The Iconic Artichoke Lamp

Considered a classical masterpiece, this fixture, designed by Poul Henningsen in 1958, has been stated to be the consummate modernist chandelier.

Corporate Installations

Fluorescent lighting is economical and energy-efficient in large rooms.

Our First Truck

Thanks to our loyal customers, O’Hara Electrical Contractors has been serving NJ for over 50 years!

Safety and Security

Exterior lighting, overhead and along sidewalks, improves visibility at night. Take advantage of our certified lighting expertise to recommend and install the latest technology, especially LED lighting.

Commercial Electrical Company Florham Park NJ

Even the most committed DIY home improver will reach appoint where just having the skills possessed by an expert commercial and residential electrician in Montclair NJ like O’Hara is capable of getting the job done. Our expert electricians can handle a variety of important and even potentially dangerous projects from installing landscape lighting and light fixtures, to handling extreme electrical emergencies, and entire house upgrades. This is why having a reliable electrician such as O’Hara Electric on your side is vital for every homeowner. The function, comfort, and safety of your house is something our highly trained professionals are able and happy to improve. As it pertains to jobs like attic fan installation or 200 amp service upgrading, it is likely for you to do more damage than good if you’re not properly trained even though you may be tempted to make an attempt yourself. Save yourself the risk and the hassle by making O’Hara Electric your first choice for a residential electrician in Florham Park NJ.

Electrician Florham Park NJ

Many individuals fail to consider how important it is if you’re buying a home to first get qualified residential electricians in Montclair NJ to perform an inspection. It is basic protocol to receive a general house inspection. However, a professional from O’Hara Electric is going to have the ability to give your electrical systems significantly more focus than you’re going to receive from a general home inspector. Simply hiring an electrician to give the home a thorough inspection will let you know if the house is really up to code. This is also an ideal chance to ensure that serious problems which will need to be addressed prior to the sale being finalized are flagged. An experienced electrician is going to be able to tell right away if there are any significant issues you’re faced with. Electrical codes might not be met by older homes because they may have faulty wiring that’s capable of being unsafe. A full rewiring of your property might be required, unfortunately in this instance. This is why local homeowners are glad to have a residential electrician on their side they’re capable of trusting. Even when it comes to large-scale projects, our prices for replacement of your knob and tube wiring are budget-friendly and affordable. Have you been searching for residential electricians in Florham Park NJ because you need your home to meet current electrical codes? Make certain O’Hara is your top choice.

Electricians Montclair NJ

Lighting fixture installations are one of the most common reasons why contacting a residential or commercial electrician in Montclair NJ and surrounding towns is so important. A lot of business and home owners take advantage of this service. Your lighting fixtures are able to have an impact on your everyday life which shouldn’t be underestimate. Although you might not be thinking of it at the time, any activity you do indoors is going to have lighting as a vital factor. However, having appropriate lighting is going to increase quality of life in general, and is capable of making many tasks easier. You might not even be aware of the fact that you’re straining your eyes when your room is not being appropriately lit. This is an issue which affects business clients as well, as productivity can be substantially limited when appropriate lighting is not installed in your place of business. Liability and safety issues are capable of arising when this is the case in an area where tripping is possible. Just get in touch with the experts at O’Hara Electric for premium quality lighting installations for your home or business and save yourself the worry and trouble. We’ve got experience working with a wide variety of types of technology in terms of lighting. This includes everything from old knob and tube wiring to the newest LED technology. This means when you need a residential or commercial electrician in Florham Park NJ or the rest of the local area you’re capable of relying on to get the job done, there’s nowhere else you’ve got to turn but O’Hara Electric.

Residential Electrician Florham Park NJ

Are you searching for expert installation of landscape lighting in Florham Park NJ? This is a service we perform at O’Hara in addition to performing installations for the interior of your home or business. This is a service which is truly capable of transforming your property into something special. It provides many safety and practical advantages together with the aesthetic improvements it’s going to bring. Whether you’re a home or business owner you can considerably benefit from the services we can supply in terms of landscape lighting.

Commercial Electrician Florham Park NJ

Our clients’ safety is something we are highly concerned about as a top choice for a commercial or residential electrician in Montclair NJ and surrounding towns. We perform a lot of services which are geared towards making sure that you’re capable of going about your day without having to be worried about possible issues developing with your electrical systems. One of these services which could truly be lifesaving is installation of GFCIs. In fact these are required in bathroom, garage and outdoor outlets of all new homes as mandated by the National Electrical Code. The fact that they protect the user from water, something that obviously doesn’t mix well with electricity, is the reason why. In the event that an electrical appliance falls in water while plugged in, a GFCI can offer you far more protection than a circuit breaker or fuse. This is only another example of the reason if feeling safe in your home or business is important to you, contacting a commercial and residential electrician in Florham Park NJ you can rely on is an important consideration.

Electrical Company Florham Park NJ

Some homeowners are interested in performing the majority of electrical work themselves to save money rather than contacting a professional electrical service in Montclair NJ. Maybe a lighting fixture installation or even an attic fan installation is something you’re actually capable of performing on your own. However getting in touch with a specialist is a significantly wiser move, especially when the job is much bigger than that. Having a professional electrician from O’Hara Electric perform the work the right way the first time is a smart idea because of this. When it comes to jobs such as attic fan installation for instance, the amperage of the circuit and wattage of the new fixture are essential things that need to be taken into account by an experienced professional. There might be instances where the amperage is not high enough to handle the wattage of the light. In this case, an additional wire is going to have the ability to be run from the circuit breaker. with the proper experience to handle this sort of job is a wise idea, generally speaking. It is safer for you, and will save you great deal time, money, and stress in the long term. As an elite lighting fixture installations company, O’Hara specializes in a variety of jobs ranging from something as small as smoke detector installation to electrical work for large commercial spaces. Give us a call today whatever your needs are from a commercial or residential electrical contractor in Florham Park NJ.











• Licensed, Bonded & Fully Insured • Certified Lighting Consultants • Voted #1 BEST Electrical Contractor in Essex County


• 24-HR Emergency Service for Our Loyal Customers • Free Estimates • Multiple Convenient Locations for Fast, Responsive Service

Quality is never an accident; it is always the result of intelligent effort.

–John Ruskin

Fast. Reliable. Dependable.

Expert Electrical Service at Competitive Prices.