Divisions 27 and 28 - Communications & Security

Low Voltage Estimating Services in Arizona

Low voltage takeoffs and estimates for structured cabling, fire alarm, access control, video surveillance, audio-visual, nurse call, emergency responder radio and smart home systems across Arizona. Devices, cabling and pathways priced for low voltage contractors, electricians and GCs.

Overview

Low Voltage Estimates for Every System

Quick answer: Low voltage estimating is the takeoff and pricing of communications, security and life-safety systems that operate at lower voltages. The estimator counts devices such as data outlets, cameras, card readers, speakers and fire alarm devices, measures cable and pathways, adds racks, panels, head-end equipment and programming, and prices installation, terminations, testing and certification for each system.

Low voltage systems are now in nearly every building, from homes with smart lighting and security to hospitals with nurse call and data centers with extensive cabling. These systems are often shown on separate drawings, specified by performance, or left for design-build contractors, which makes them easy to underestimate.

Our low voltage estimators count every device and outlet, measure cable runs and pathways, and price head-end equipment, programming, testing and certification. Each system is estimated separately so contractors can bid them individually or as a package.

Low voltage work pairs with our Electrical Estimating Services, Fire Protection Estimating Services and Healthcare Estimating Services.

What Your Low Voltage Estimating Includes

Get a Fixed Quote Today

Send your drawings and receive a fixed fee and delivery date, usually the same business day.

Scope of Work

Low Voltage Systems We Estimate

Structured Cabling

Copper and fiber cabling, outlets, patch panels, racks and certification.

Fire Alarm

Panels, initiating devices, notification devices, monitoring and voice evacuation.

Access Control

Card readers, electrified hardware, controllers and credentials.

Video Surveillance

IP cameras, recorders, storage and monitoring stations.

Audio-Visual

Displays, projectors, speakers, conferencing and control systems.

Emergency Responder Radio

Coverage systems and distributed antenna systems where required by fire codes.

Nurse Call

Nurse call stations, dome lights and integration in healthcare facilities.

Smart Home Systems

Structured wiring, Wi-Fi, lighting control, audio and security in homes.

Paging and Intercom

Overhead paging, intercom and mass notification systems.

In Depth

How We Estimate Low Voltage Systems

Devices

Every device is counted from the low voltage, technology, security and fire alarm drawings by type and location. When drawings show only performance requirements, we prepare a device layout assumption and note it.

Cable and pathways

Cable lengths are calculated from device locations to telecom rooms or panels along realistic routes, with slack, and priced by cable type. Conduit, J-hooks, cable tray, sleeves and fire-stopping are added.

Head-end equipment

Racks, patch panels, switches when included, fire alarm control panels, access controllers, recorders and AV processors are priced from the equipment lists.

Terminations and testing

Terminations, labeling, testing, certification, programming and training are included as separate line items.

At a Glance

Low Voltage Takeoff Items and Units

ItemUnitNotes
Data outlets and dropsEABy cable type and count
CableLFCopper, fiber and coax by type
CamerasEABy type and mounting
Card readers and controllersEAWith electrified hardware coordination
Fire alarm devicesEAInitiating and notification devices
Racks and patch panelsEABy size and port count
PathwaysLF / EAConduit, J-hooks, tray, sleeves
Testing and certificationEA / LSBy system

Expert Guide

Low Voltage Requirements and Trends

  • Fire codes: fire alarm and emergency responder radio coverage requirements come from the fire code adopted by each jurisdiction and the local fire department’s amendments.
  • Cabling standards: structured cabling is typically installed and tested to recognized standards, with category and fiber types specified by the owner.
  • Security integration: access control, video and intrusion systems are increasingly integrated and network-based.
  • Smart buildings: lighting control, building automation and IoT devices add cabling and network requirements.
  • Data centers: high-density fiber and copper cabling in data halls can be a major scope. See Data Center Estimating Services.

Arizona’s commercial growth in healthcare, education, multifamily and industrial projects keeps low voltage scopes in high demand.

Arizona Factors

Arizona Low Voltage Cost Factors

Attic and Rooftop Heat

Cable routed through hot attics and rooftop equipment must be rated for high temperatures.

Local Fire Department Rules

Fire alarm and radio coverage requirements vary by city and fire department.

Healthcare Growth

New hospitals and clinics require nurse call, security and extensive cabling.

Data Center Cabling

Data center growth in the Valley drives large fiber and copper cabling scopes.

Multifamily Technology

Apartment communities increasingly include managed Wi-Fi, access control and smart locks.

Technician Availability

Certified low voltage technicians are in demand across the Phoenix market.

How It Works

How Our Low Voltage Estimating Process Works

Every project follows the same transparent four-step process. Read the full walkthrough on our How It Works page or see how we build and check numbers on our Estimating Methodology page.

01

Send Your Documents

Email drawings, specifications, addenda and the bid date, or share a download link for large sets.

02

Approve a Fixed Quote

We confirm scope, fee and delivery date in writing, usually the same business day.

03

Takeoff and Pricing

Quantities are measured digitally and priced with current Arizona labor, material and equipment costs.

04

Review and Delivery

A second estimator checks the work before you receive Excel and PDF files with marked-up drawings.

FAQs

Low Voltage Estimating Services FAQs

Common low voltage systems include structured cabling, fire alarm, access control, video surveillance, audio-visual, nurse call, paging, emergency responder radio coverage and smart home systems.

Yes. We price fire alarm panels, initiating and notification devices, wiring, monitoring, programming and testing.

Yes. Outlets, cable, racks, patch panels, pathways, terminations and certification are included.

Yes. When device layouts are not shown, we develop a layout assumption from the specifications and note it clearly.

Yes. Programming, configuration, testing and training are priced as separate items.

Most low voltage estimates are delivered within 2 to 3 business days depending on the number of systems.

Get Accurate Low Voltage Estimating Services in Arizona

Send your plans today for a fixed quote and a firm delivery date. Every estimate is priced with current Arizona labor, material and equipment costs and checked by a second estimator.

Location & Contact

Our Phoenix Office Serves Contractors Across Arizona

Arizona Cost Estimating works from Midtown Phoenix and supports builders, contractors and owners statewide. Send plans by email, call our estimating desk, or use the map below for directions to the office.

Office Address

413 W Osborn Rd, Phoenix, AZ 85013
Midtown Phoenix, Maricopa County

Estimating Desk Hours

Monday to Friday, 8:00 AM to 6:00 PM Arizona Time (MST, no daylight saving)

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