Commercial fire alarm systems in Central NJ
A commercial fire alarm system warns people early and meets NJ fire code. Harrelson Electric installs, inspects, and monitors fire alarm systems for commercial buildings across Central NJ. Bruce has worked the trade since 1988 and holds NJ Electrical Contractor License #15918. He is bonded and insured. When you hire us, Bruce does the work himself.
We serve Middlesex, Somerset, Mercer, Monmouth, and Union counties. This service is for commercial buildings. That means offices, stores, warehouses, restaurants, and multi-family buildings.
New fire alarm installs
A fire alarm system is more than a few smoke detectors. It ties detectors, pull stations, horns, and strobes into one panel. The panel watches the whole building. When one device sees smoke or heat, the system alerts everyone and can call for help.
We design the system to fit your building. The number and place of each device follows NJ fire code. A warehouse needs a different layout than an office. We plan it right, wire it, and test every device before we sign off.
Inspection and testing
Fire alarm systems need regular inspection. The law requires it and your insurance expects it. A device that fails in a test would have failed in a fire. We check the panel, test each detector, and sound the alarm to confirm it works.
After each inspection you get a written report. That report shows what we tested and what passed. You keep it on file for the fire marshal and your insurance carrier. If a device is weak or dead, we tell you and we fix it.
Monitoring
Monitoring means your system is watched around the clock. When the alarm goes off, a monitoring center sees it and calls the fire department. This matters most at night and on weekends when the building is empty. A fire that starts at 2 a.m. gets a fast response instead of burning unseen.
We set up monitoring and tie your panel to the service. We make sure the signal gets through and the right people get the call.
Code and documentation
NJ fire code sets the rules for commercial fire alarms. The rules cover device type, placement, wiring, and testing. We know the code and we build to it. We pull permits under the NJ Uniform Construction Code. We work with your local fire official.
Documentation is part of the job. The fire marshal wants records. Your insurance company wants records. We give you clear paperwork for every install and every inspection. When an inspector shows up, your file is ready.
Why one electrician matters here
Fire alarm work is no place for a rotating crew. You want one person who knows your building and your system. With us, that person is Bruce. No subcontractors. He installed it, so he knows it inside out when it is time to inspect or repair.
Repairs and upgrades
Fire alarm systems age like any other gear. Detectors get dirty and slow. Panels go out of date. A nuisance alarm that goes off for no reason wears people down until they ignore it. We fix faulty devices, replace worn panels, and clear false alarms at the source.
If your building changes, the system has to change with it. A new wall, a new tenant, or a new room can move where devices belong. We update the layout so the system still meets code and still covers every space. We can also tie an older system into newer monitoring.
Tied into your electrical work
A fire alarm runs on your building power with a battery backup. That means the alarm and the rest of your electrical system are connected. Because we do both, we see the whole picture. If a panel upgrade or a tenant buildout affects the alarm, we handle it as one job. You are not stuck between two contractors who blame each other.
There is no fixed price for fire alarm work. The building and the code set the scope. Bruce walks the site, plans the system, and gives you a clear price.
Call Harrelson Electric at (800) 732-0585 to schedule a fire alarm install, inspection, or monitoring setup.

