Often, yes. Cable is the most labor-intensive part of any camera system. If your building already has runs from the cameras to a central closet, reusing them can save a day or more of labor and avoid new holes in finished walls. But not every old cable is worth keeping. Some are the wrong type, damaged, undersized for today's cameras or run through places that make future service a nightmare. This guide explains how to tell which cables can be reused, how installers test them, what changes when you move from analog to IP, where reuse saves money and where it quietly causes years of trouble.
This is general information. Only testing on site can confirm whether a particular run is reusable.
1. The Short Version
| Existing cable | Reuse potential |
|---|---|
| RG59 coax with Siamese power | Often reusable with HD analog (XVR) upgrade |
| RG6 coax | Often reusable for HD analog |
| Cat5e | Often reusable for IP and PoE, within distance limits |
| Cat6 | Very likely reusable |
| Phone or speaker wire | Not suitable for video |
| Damaged, spliced or wet cable | Replace |
2. Why Reuse Is Attractive
Running new cable means opening ceilings, fishing walls and sealing penetrations. In a finished home, brownstone or occupied shop, that is the slowest and most disruptive part. If an old system left cable in place, you can often upgrade cameras and the recorder only. Savings are real: fewer hours, less patching and less disruption. Our guide on how long installation takes explains how labor drives the schedule.
3. Coax Cable: Reuse With an HD Analog Upgrade
Older analog systems used coaxial cable, often RG59 with a separate power pair. Modern HD analog formats can run over this same coax, so a hybrid recorder, called an XVR, can drive higher-resolution cameras without new cable. If the coax is in good shape and the connectors are sound, an upgrade from standard definition to 4 MP or even 8 MP analog may be possible without rewiring. Distances matter: higher resolutions tolerate less length on thin coax. Our guide on XVR and hybrid recorders explains the limits.
4. Cat5e and Cat6: Reuse for IP Cameras
If you have network cable to each camera location, an upgrade to IP cameras with power over Ethernet is often straightforward. Cat5e handles standard PoE cameras up to about 100 meters, or 328 feet. Cat6 is similar in length and gives more headroom. The cable must be real copper, not copper-clad aluminum, and the terminations must be good. Our guide on Cat5e vs. Cat6 covers the differences.
5. Converting Coax to IP
Coax can also carry IP using media converters or baluns, but this is a compromise. It lets you reuse old runs when a full IP upgrade is wanted, though performance and reliability depend on the converters and the condition of the coax. For some buildings it's the only practical route; for others, running new Cat6 is better in the long run. Ask your installer to explain both options with prices.
6. How Installers Test Existing Cable
Before reusing, installers should verify the cable. Common checks include:
- Visual inspection at both ends and any accessible points.
- Continuity and wiremap testing with a cable tester for network cable.
- Length measurement to confirm runs are within limits.
- Signal test with a camera at the far end.
- Connector inspection for corrosion, loose crimps or water damage.
- Power check for Siamese cable to confirm the power pair works.
A run that passes a quick test may still fail later if it's damaged or poorly terminated. Reputable installers will tell you which runs are good and which are risks.
7. When Cable Should Be Replaced
Replace cable when:
- It's the wrong type, such as thin phone wire.
- It's cut, spliced with tape or wet.
- Connectors are corroded and can't be re-terminated.
- It runs through places that are inaccessible and unsafe.
- It's too long for the new equipment.
- It was installed without proper protection outdoors.
- It's a fire-code concern, such as non-plenum cable where plenum is required.
Outdoor runs exposed to sun and weather often degrade and may need replacement. Our guide on outdoor cabling and conduit explains how exterior runs should be protected.
8. Power: Don't Forget It
Analog cameras may be powered by separate wires or a nearby power supply. Switching to PoE cameras removes the need for local power, but you will need a PoE switch or injectors. Old power supplies, undersized adapters and corroded connections cause flickering and reboots. Our guide on PoE power budgets explains how to size a switch.
9. What Reuse Saves
Labor is often more than half of a job's cost. Reusing good cable can reduce installation time substantially. In a four-camera house with existing runs, upgrade costs can drop by several hundred dollars. In a sixteen-camera business with long runs through ceilings and masonry, the savings can reach into the thousands. These savings are only real if the cable is truly good. Replacing a bad run later is costly. Our guide on comparing quotes shows how to line up reuse and replace options.
10. Risks of Reusing Poor Cable
Intermittent video, dropouts when it rains, cameras that reboot and ghosting or noise on the picture often trace back to old cable. You may blame the new cameras when the problem is the 15-year-old run. An honest installer will explain the trade-off: reuse is cheaper now but may cost more later. Written notes on which runs were reused and tested help assign responsibility if problems appear.
11. Upgrade Paths
Common upgrade paths include:
- Same coax, new XVR and HD cameras. Lowest cost, good improvement.
- Coax with converters to IP. Moderate cost, flexibility, some compromise.
- New Cat6, new IP cameras and NVR. Highest cost, most future-proof.
- Mixed. Reuse good runs, replace bad ones, and add new cameras where needed.
Ask for pricing on at least two paths and for the installer's recommendation.
12. Cost
Planning ranges in 2026 for professionally installed work: cable testing and assessment, often folded into a site visit; reuse-based four-camera upgrade, $1,100 to $2,800; full four-camera system with new cable, $1,600 to $3,600; eight-camera system, $3,000 to $6,800; sixteen-camera commercial system, $6,500 to $13,000. Long runs, masonry and finished ceilings raise cost. These are planning ranges, not quotes.
13. News Context
Reuse is attractive when owners want protection fast. In February 2026, NYPD released stills and video from a Staten Island doorstep to help identify three young men who tried to enter three homes overnight, according to CBS News New York. In September 2026, News 12 reported that NYPD sought two suspects in 19 commercial burglaries across 16 Brooklyn neighborhoods. Upgrading from old, blurry cameras to modern ones can make footage like that far more useful.
NYPD reported burglary down 19.5% citywide in May 2026 compared with May 2025 (NYPD).
14. Questions to Ask Your Installer
- Which of my existing cables can be reused, and how did you test them?
- What type of cable do I have, and what resolution can it support?
- What will you replace, and why?
- What is the price difference between reuse and new cable?
- Will you document which runs were reused?
- If a reused run fails, who pays to replace it?
See our local pages for security camera installation in the Bronx, commercial camera installation in Staten Island, home camera installation in Nassau County and our services page.
Not sure what is inside your walls? Revolvis will walk the property with you and mark the spots.
15. A Quick Self-Inspection
Before calling anyone, look at your recorder or the end of the cable run. Is it coax with a round connector or network cable with a clear plastic plug? Are there labels? Is cable stapled, spliced or hanging loose in the attic? Take photos of the recorder, any cable ends and a few camera locations. Photos help an installer give a more accurate first opinion and may save a visit. Note how old the system is and what problems you have. If you see green corrosion on connectors or cable that is brittle from sun, expect to replace those runs.
16. A Hypothetical
Suppose an owner of a two-story building in the Bronx has six analog cameras on RG59 coax with power pairs, installed long ago. An installer tests all six runs and finds five healthy and one with a corroded connector. The owner chooses an XVR upgrade with six new HD analog cameras, re-terminates the bad run and keeps the rest. The job takes a single day and avoids opening ceilings. Another owner, with phone wire from a previous alarm installation, learns it cannot carry video and needs all new cable. The same question gets different answers in different buildings, which is why testing comes first.
More From Revolvis
Cameras are one layer of a secure property. The same in-house crew also handles the rest:
- Keyless entry installation and smart lock installation
- Access control systems and commercial access control
- Video doorbells and intercoms
- Alarm system installation
- Complete unified security
Learn more about Revolvis, meet the team, see all services, browse the blog or contact us.
Areas We Serve
Revolvis installs residential and commercial camera systems across the New York metro area. Every borough and county has its own building stock, rules and wiring challenges, so the plan for a Queens two-family is not the plan for a Manhattan co-op.
- Staten Island: houses, detached garages and shop fronts. See security camera installation in Staten Island.
- Brooklyn: brownstones, row houses and storefronts. See security camera installation in Brooklyn.
- Queens: attached brick homes, two-families and busy commercial strips. See security camera installation in Queens.
- The Bronx: pre-war buildings, bodegas and warehouses. See security camera installation in the Bronx.
- Manhattan: co-ops, condos, offices and retail. See security camera installation in Manhattan.
- Long Island: Nassau County and Suffolk County.
- New Jersey: Jersey City, Newark, Hoboken and nearby towns.
The full list is on the service areas page.
Get a Custom Quote After a Site Visit
Revolvis prices every job after a site visit, because the building sets the cost as much as the equipment does. A few things make the estimate faster and more accurate:
- The address and property type: house, apartment, co-op, condo, storefront or warehouse.
- Which doors, sides and areas you want covered, and what worries you most.
- Photos of those spots and any spots where you already have cabling or power.
- How many days of footage you want to keep and whether you want to watch on your phone.
- Any landlord, board, lender or insurer requirement.
Call 347-258-9165 or use the contact page to book a site visit. The quote you receive is written and itemized, so you can compare it line by line.
Frequently Asked Questions
Can I reuse old coax cable? Often yes, especially with an HD analog upgrade using an XVR recorder, if the cable and connectors are in good shape.
Can I use Cat5e for IP cameras? Yes, in most cases, within about 328 feet and with good terminations.
How do installers test old cable? Visual inspection, cable testers, length checks and a live signal test with a camera.
When must cable be replaced? When it's the wrong type, damaged, wet, too long or unsafe.
How much does reuse save? Often hundreds to thousands of dollars in labor, depending on the building.
Is reusing cable risky? It can be if the cable is marginal. Testing and honest documentation reduce the risk.
Ready for a custom quote? Call Revolvis at 347-258-9165 for a site visit and a written, itemized estimate.
Safety note: A camera system supports, but does not replace, good locks, lighting, alarms and everyday habits. If you are in danger or witnessing a crime, call 911. Prices and legal summaries in this guide are general information for the New York metro area, not an offer or legal advice. A written quote after a site visit governs your actual price, and for legal questions you should confirm with the agencies linked in the article or a licensed attorney.