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Gray PVC riser cable on wooden spool, four conductors visible

Carol

Carol 18/4 Riser Comm Cable 1000 Ft

SKU CH-JGVC-7454H

18/4 unshielded riser cable with four stranded copper conductors, CL3R and CMR rated, 300 V, grey PVC jacket, 1000 ft pull box

  • TypeNew
  • Riser-rated for vertical runs with UL CMR listing
  • 300 V rating supports low-voltage security and alarm circuits
  • Four stranded copper conductors simplify multi-zone wiring
  • Gray PVC jacket withstands -4 °F to 167 °F
  • 1000 ft reel reduces splices on large jobs

18/4 Riser Cable for Communication Systems

This 18 AWG four-conductor riser cable is built for indoor vertical runs in commercial and residential low-voltage installations. Stranded copper conductors with 7/26 stranding provide flexibility for pulling through conduit or tray. The gray PVC jacket is colour-coded for quick identification and meets UL 75 °C temperature ratings. Installers working on sound, alarm or security circuits will find the 1000-foot length convenient for large projects.

Replaces older CL2 or non-riser cables in vertical

The CL3R and CMR listings allow this cable to replace legacy non-riser types in vertical pathways where fire codes demand a vertical-tray flame rating. The jump is worth it when local inspection requires NEC Article 725 or Article 800 compliance and the existing cable lacks the California State Fire Marshall approval. RoHS compliance also satisfies modern environmental specifications that older stock may not meet.

Verify voltage, temperature

Confirm the 300-volt rating matches the circuit design and that the -4 °F to 167 °F operating range suits the installation environment. The unshielded construction means this cable is not suited for applications requiring EMI protection or outdoor burial. Check that the gray PVC jacket and S-R PVC insulation are approved by the project specification and local authority having jurisdiction.

Highlights

  • Riser-rated for vertical runs with UL CMR listing
  • 300 V rating supports low-voltage security and alarm circuits
  • Four stranded copper conductors simplify multi-zone wiring
  • Gray PVC jacket withstands -4 °F to 167 °F
  • 1000 ft reel reduces splices on large jobs

Specifications

BrandCarol
TypeNew

Questions about this item

What conduit size does the 18 AWG four-conductor gray PVC jacket need for a riser run?

The cable has a gray PVC jacket rated for riser spaces under NEC 725 CL3R and NEC 800 CMR; choose conduit fill based on the finished cable diameter for 18 AWG stranded conductors.

How do you terminate the 7/26 stranded copper conductors without nicking the PVC insulation?

Use a quality stripper set for 18 AWG stranded wire, remove only the length needed for the connector, and avoid scoring the color-coded PVC insulation on each conductor.

When should the riser-rated jacket be replaced if the cable runs through a vertical shaft?

The jacket is rated from -4 °F to 167 °F and meets vertical tray flame test requirements; inspect annually and replace if the gray PVC shows cracking, discoloration, or flame-test failure.

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