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 Companies Roselle NJ

Having the skills of experienced commercial and residential electricians in Montclair NJ like O’Hara Electric is important when it comes to the home renovation process, even for the committed DIY home improver. Our professional electricians are capable of handling a number of important and even potentially dangerous jobs from installing landscape lighting and light fixtures, to handling extreme electrical emergencies, and total house upgrades. This is the reason every homeowner should have a reliable electrician like O’Hara on their side. Performing improvements to your home in terms of safety, comfort and function is what our highly skilled professionals are all about. Lots of people find that they’re tempted to perform their own attic fan installation or 200 amp service upgrading. However, it’s capable of doing more harm than good in the event that you are not trained properly. Save yourself the hassle and the risk by making O’Hara Electric your first choice for a residential electrician in Roselle NJ.

Electrician Montclair NJ

Obtaining an electrical inspection from a qualified residential electrician in Montclair NJ prior to buying your home is a smart idea many people neglect to think about. It’s basic protocol to receive a general home inspection. However, an expert from O’Hara Electric is going to be able to give your electrical systems substantially more focus than you will receive from a general home inspector. You’ll have the ability to know if your house is truly up to code simply by hiring an electrician to perform a comprehensive inspection. It additionally gives you the opportunity to flag any possible issues that need to be fixed before finalizing the sale. An experienced electrician will be able to tell right away if there are any significant issues you’re facing. Older homes which have faulty wiring are capable of being extremely unsafe and aren’t going to meet the current electrical codes. Unfortunately, this issue can mean that a complete rewiring of your property might be necessary. This is where having a trusted residential electrician on your side is capable of being a great benefit. Replacement of knob and tube wiring for major projects is still budget-friendly and affordable when you make us your top choice. For any kind of major electrical work to assist your home in meeting current electrical codes, make O’Hara your first choice for a residential electrician in Roselle NJ.

Electricians Roselle NJ

Employing an experienced residential or commercial electrical in Montclair NJ and surrounding towns is essential for a large number of reasons, but among the most common reasons is for lighting fixture installations. This is something which a lot of home and business owners take advantage of. Don’t underestimate the effect that your lighting fixtures are able to have on your everyday life. Lighting is going to be a crucial factor in any activity that you’re taking part in indoors. When your lighting is installed properly, you’ll discover that not only are a lot of tasks going to be made easier, but your quality of life overall is capable of increasing also. You might not even be aware of the fact that you are straining your eyes if your room isn’t being appropriately lit. If appropriate lighting is not installed in your place of business, commercial clients discover this is a major issue because their productivity can be severely limited. This is even capable of leading to safety and liability issues if this is in an area where people are capable of tripping. Save yourself the trouble and worry. If you need high quality lighting installations for your home or business, all you have to do is give the experts at O’Hara Electric a call. We work with a wide variety of types of lighting technology, from the latest LED technology to old knob and tube wiring like you will discover in older buildings. You can rely on the specialists at O’Hara Electric to ensure the job gets done right, so whenever you are looking for a commercial or residential electrical company in Roselle NJ there isn’t anywhere else you need to go.

Residential Electrician Montclair NJ

As a top choice for a residential and commercial electrician in Roselle NJ, we’re capable of performing expert landscape lighting installation. This is a service which has the potential to truly transform your property into something special. Not only does this offer visual improvements, many safety and practical benefits are capable of being the result as well. Whether you’re a business or homeowner you can considerably benefit from the services we’re capable of supplying when it comes to landscape lighting.

Commercial Electrician Roselle NJ

We’re very concerned about the safety of all of our clients as part of our commitment to being a leading choice among residential and commercial electricians in Montclair NJ and surrounding towns. We perform many services that are geared towards making certain that you can go about your day without needing to worry about possible issues developing with your electrical systems. One of these services which can really be lifesaving is installation of GFCIs. As mandated by the National Electrical Code, these are in fact required to be installed in garage, bathroom, and outdoor outlets of any new house that’s constructed. This is due to the fact that they safeguard the user from water, which obviously doesn’t mix well with electricity. However careful you may be, it is still possible to have an electrical appliance fall in water while plugged in. In this case you’re going to have substantially more protection from a GFCI than a fuse or circuit breaker. This is just another example of why if feeling safe in your home or business is important to you, calling a residential and commercial electrician in Roselle NJ you’re able to depend on is an important factor to consider.

Electrical Company Roselle NJ

Attempting to save money is a reason why many homeowners often try to do work on their own instead of contacting a professional electrician in Montclair NJ. Perhaps you can handle lighting fixture installation or even an attic fan installation on your own, however in the event that the job is any larger than that, it’s better to have a professional electrician from O’Hara Electric perform the work the right way the first time. In regards to jobs such as attic fan installation for instance, the amperage of the circuit and wattage of the new fixture are essential things which have to be taken into account by an experienced professional. In the event the amperage is not high enough to handle the wattage of the light then they’re going to have the ability to run an additional wire from the circuit breaker. Generally speaking, it’s a wise idea to have a professional handle this kind of project. A considerable amount of time, hassle and money will be saved in the long run, along with the fact that it’s an alternative that is much safer for you. O’Hara specializes in a variety of jobs which range from something as small as smoke detector installation to electrical work for large commercial spaces as an elite lighting fixture installations company. It doesn’t matter what your wants are from a commercial or residential electrician in Roselle NJ. Get in touch with us today.











• 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.