Structured Cabling & Low-Voltage Wiring

Cabling that does not become someone else’s problem

Cabling is invisible when done right. It is everyone’s problem when done wrong. We install to BICSI standards, certify every drop with a Fluke tester, label both ends per TIA-606, and hand you a documented as-built drawing. The next time you call any IT vendor, they will know exactly what is in the walls.

Every cable type you actually need in one stack

Most low-voltage shops are good at one thing — data cabling, or AV cabling, or alarm cabling. We pull all of it on one project, with one foreman, one labeling system, one as-built drawing, and one certification package.

Data cabling — Cat 5e is end-of-life for new installs. Cat 6 supports gigabit and short-run 10 G. Cat 6A is our default for new construction in 2026 — 10 Gbps over the full 100 m, plenum-rated for ceiling plenums (CMP) or riser-rated for verticals (CMR). Cat 7 and Cat 8 for data center patch cords and specialty runs.

Fiber optic — OM3 and OM4 multi-mode for inside-building backbone (LC connectors most commonly, with MTP/MPO for high-density data center work). OS2 single-mode for site-to-site, campus, and any run over 300 meters. OTDR-tested on every run; certified test reports per drop.

Coax — RG-6 for residential and light-commercial CATV, broadband, and CCTV. RG-11 for longer runs above 250 ft where signal loss matters. F-connectors for CATV, BNC for SDI surveillance and broadcast, compression tools rather than crimp where the install warrants.

Speaker wire and distributed audio — 14, 16, and 18 AWG for line-level, 70V and 100V for distributed audio across restaurants, retail, lobbies, gyms, and open offices. CL2 and CL3-rated jackets where required by code. We run cable, install the speakers (in-ceiling, pendant, surface-mount, outdoor), terminate to amplifier or DSP, and hand off the head-end commissioning to the Commercial AV team.

Fire alarm cable — FPLR and FPLP per NEC Article 760, pulled in coordination with your licensed fire alarm contractor. They own the panel, devices, terminations, and the AHJ inspection. We own the pathway: conduit coordination with the electrician, fish-tape work, fire-stop where the cable crosses rated walls, and labeling. This split keeps the licensure clean on NYC and NJ commercial buildouts.

Burglar and intrusion alarm cable — low-voltage shielded twisted pair (typically 22-AWG, 4-conductor) per NEC Article 725, for door contacts, glass-break, motion sensors, and keypad runs. We coordinate with your monitoring vendor on terminations.

Paging, intercom, and door-bell cable — separate runs to keep the analog-paging signal isolated from data, terminated at the head-end where the paging amplifier and zoning live.

HDMI fiber and HDBaseT — HDMI over copper hits its wall at about 50 ft for 4K. We install HDMI fiber extenders (typically OM3 with HDMI 2.0 / 2.1 transceivers) or HDBaseT category-cable extender pairs over Cat 6A for runs to displays in distant conference rooms, lobbies, and digital signage zones.

Pathway hardware — EMT conduit where the AHJ requires it. J-hooks above suspended ceilings every 4–5 ft per BICSI. Ladder rack in IDFs and MDFs. Cable tray in larger backbone runs. Fire-stop putty, pillows, and intumescent sleeves at every rated-wall penetration.

Server rooms and IDF / MDF builds

We design and build telecom rooms to BICSI TIA-569 standards. That includes properly sized racks (open four-post for switching, enclosed for any equipment with sensitive components), managed PDUs with monitoring, environmental sensors (temperature, humidity, water), labeled patch panels with documented port assignments, vertical and horizontal cable management, ladder rack for overhead pathways, grounding and bonding to a TGB and back to the TMGB, and proper clearance for service work. The room hands off to managed services with a network diagram, asset list, and rack-elevation drawing.

Where we work

New office buildouts (3,000 sq ft and up). Tenant fit-outs. Office relocations including phones, printers, conference rooms, and AV. Warehouse and distribution buildouts. Restaurant and retail openings (POS, paging, music, Wi-Fi, cameras together). Healthcare practice expansions. Multi-floor and multi-building campuses. Retrofits in landmark and converted-loft buildings where the existing pathways are constrained.

25-year manufacturer warranty

Sage is an authorized Panduit and Leviton installer. When we install a certified system using their components — cable, patch panels, connectors, faceplates — the manufacturer backs the installation with a 25-year system warranty. If a certified link fails within 25 years, the manufacturer covers material replacement and re-installation labor. The warranty is transferable if you sell the building or the lease.

Most cabling contractors buy commodity cable from electrical supply houses. That cable carries a 1-year manufacturer warranty on materials only — no labor, no system performance guarantee. The difference between a $3/ft install and a $4/ft install is a warranty that outlasts two full technology refresh cycles.

What the 25-year warranty covers: cable, patch panels, connectors, faceplates, and the certified link performance between them. If a Panduit or Leviton certified link fails to meet its rated performance (Cat 6A at 10 Gbps over 100 m, for example) within 25 years of installation, the manufacturer replaces the materials and covers the labor to re-pull and re-terminate. This is not a materials-only warranty — it is a system performance guarantee.

What you get when we walk off the job

A binder (PDF and printed) with: TIA-606 labeled patch panels and faceplates with matching as-built drawings; certification test reports per drop indexed to the drawings; equipment list with model numbers and serial numbers; pull schedule showing every run, length, and termination point; configuration backups for the active equipment; account credentials handed off to your password vault. The next IT vendor — even if it is not us — can pick up the system and run it cold.

From the field

What it costs

Cabling is project-priced based on scope. The variables that move the number meaningfully are the cable type (Cat 6, Cat 6A, fiber, coax, speaker, fire and burglar alarm), the construction type (drop ceiling vs. sheetrock vs. exposed concrete vs. landmark wall), the run lengths and pathway count, certification scope, and after-hours / freight-elevator / certificate-of-insurance coordination. Use the cabling cost calculator for a budgetary range, or request a written quote — we walk the site, document the variables, and itemize every line before the work starts.