Heavy-duty unshielded riser-rated 4-conductor security alarm cable engineered for multi-zone long-run installations in clean electrical environments. This USA-made cable features four 18-gauge stranded bare copper conductors with 7 strands each, housed in a CMR-rated gray jacket. Combining heavy-duty 18 AWG construction with dual-circuit versatility, this cable delivers maximum cable run capability at exceptional value for professional installations where EMI protection is not required.

Key Features

• 18 AWG 4-Conductor Configuration - Heavy-duty wire gauge with dual-circuit capability
• 7-Strand Bare Copper Conductors - Excellent flexibility and reliable signal transmission
• CMR/CL3R Riser Rated - Approved for vertical shaft and in-wall installations
• Unshielded Design - Cost-effective solution for clean electrical environments
• 4 Color-Coded Conductors - Easy identification (Black, Red, White, Green)
• Sequential Footage Marking - Precise measurement for accurate installation planning
• ETL Listed & RoHS Compliant - Meets strict safety and environmental standards
• Gray PVC Jacket - Professional appearance for visible installations
• Print Legend for Identification - Cable markings save valuable installation time
• Made in USA - Premium domestic manufacturing quality

Ideal Applications

Perfect for multi-zone long-run riser installations in residential and commercial buildings:

• Dual-Zone Security & Alarm Systems
• Long-Run Multi-Zone Commercial Security
• Multi-Story Building Vertical Runs
• Integrated Security & Intercom Systems
• Residential Multi-Zone Security
• Audio Distribution Systems
• Power-Limited Control Circuits

Technical Specifications

• Conductor Material: Stranded Bare Copper
• Wire Gauge: 18 AWG
• Number of Conductors: 4
• Strands per Conductor: 7
• Conductor Insulation: 1.2mm PVC
• Cable Diameter (Nominal OD): 4.78mm (0.188")
• Jacket Thickness: 0.38mm (0.015")
• Jacket Material: PVC
• Jacket Color: Gray
• Shielding: Unshielded

Electrical Performance

• Maximum Temperature: 75°C (167°F)
• Voltage Rating: 300V

Certifications & Compliance

• Riser Rating: CMR (Communications Riser)

• Additional Ratings: CL3R, FPLR

• Listings: ETL Listed

• Environmental: RoHS Compliant

• NEC Article Compliance:

  • Articles 760 (FPLR - Fire Alarm)
  • Article 800 (CMR - Communications)
  • Articles 725 (CL3R, CL2R - Control Circuits)

Conductor Color Coding

• Conductor 1: Black
• Conductor 2: Red
• Conductor 3: White
• Conductor 4: Green

Jacket Printing

18 AWG 4C UNSHIELDED TYPE CL3R/FPLR c(ETL)us TYPE CMR 3054355

Package Details

• Length: 1000 feet per spool
• Country of Origin: Made in USA

Why Choose 18/4 Riser Cable?

✓ Maximum Dual-Circuit Performance - Longest runs (up to 3,000 feet) with two independent circuits
✓ Heavy-Duty Construction - 40% lower resistance than 22 AWG
✓ Cost-Effective Multi-Zone - Heavy-duty performance without shielding premium
✓ Fire Code Compliant - CMR riser rating for vertical installations
✓ Professional Quality - Print legend and sequential marking
✓ System Integration - Single cable for security + intercom or dual security zones
✓ Future-Proof - Four conductors allow for system expansion

✓ Labor Savings - One cable pull instead of two separate runs

Riser Installation Requirements

Use CMR Riser Cable When:

• Installing vertically between floors
• Running through walls and vertical shafts
• Non-plenum spaces in commercial buildings
• Multi-story residential or commercial installations
• Building codes require fire-rated cable (but not plenum)

Note: Riser (CMR) cable is suitable for most commercial and residential applications except air-handling plenum spaces. For plenum spaces, use CMP-rated cable instead.

Installation Advantages

The 18/4 unshielded riser configuration delivers maximum dual-circuit capability at exceptional value for installations in clean electrical environments. Heavy-duty 18 AWG construction supports the longest possible runs (up to 3,000 feet per circuit) while four conductors provide complete flexibility for two independent circuits or integrated security and intercom systems. Without the added cost of shielding, this cable represents optimal value for professional multi-zone installations where long runs are critical but EMI protection is not required. Print legend markings enable quick identification, while sequential footage marking ensures precise measurements. The gray jacket provides a professional appearance for visible installations.

Common Use Cases

• Multi-Story Residential Buildings: Dual-zone security with long vertical riser runs
• Commercial Office Buildings: Two-zone security with clean electrical environment
• Warehouse & Distribution: Perimeter and interior zones with long cable runs
• Retail Stores: Store security with separate zones for front and back
• Educational Institutions: Multi-zone classroom or building security
• Religious Facilities: Sanctuary and office security on separate zones
• Small Commercial: Professional offices with security + intercom integration
• Multi-Tenant Buildings: Separate zones for common areas and tenant spaces
• Parking Garages: Multi-level security with vertical runs
• Storage Facilities: Self-storage with building and perimeter zones

Technical Advantages Summary

• 18 AWG Conductors: Heavy-duty professional grade for longest runs
• 4-Conductor Design: Dual-circuit capability in single cable
• 7-Strand Construction: Superior flexibility for easier installation
• Unshielded: Cost savings when EMI protection not required
• Riser Rating: CMR approved for vertical installations
• 4-Color Coding: Black, Red, White, Green for clear circuit identification
• Sequential Marking: Precise footage tracking
• Print Legend: Quick identification saves time
• ETL Listed: Third-party safety certification
• Made in USA: Consistent quality and reliability