Product Information

Specification

20/3 STRANDED BC SHIELDED CMR/CL3R

Applications:

The fire alarm cable is an electrical wire that is used in security, intercom, audio and sound systems and power-limited circuits. The maximum operating power for this electrical cable is 300V.

Also Known As:

20 3 fire alarm wire, 20 3 stranded fire alarm cable, smoke detector wiring, smoke alarm wiring, wiring fire alarm system.

Standards:

• UL Type CMR/CL3R / cUL Type CMG/FT4
• NEC Article 725 & 800
• California State Fire Marshall

Construction

Conductors:

This fire alarm cable conductor is made of bare copper. Copper is used for this application because of its amazing electrical properties and flexibility.

Insulation:

The fire alarm wire has polypropylene insulation. It can withstand a wide range of temperatures, is resistant to chemicals and water and is easy to cut.

Jacket:

The smoke alarm wiring has a PVC jacket with a rip cord. It is resistant to extreme temperatures, chemicals and UV light deformations. It is also water-tight and easy to cut.

Shield:

This cable has a mylar-backed aluminum tape shield with 100% coverage.

Specifications:

• Conductor size (AWG): 20
• No. of Conductors: 3
• Stranding: 7/28
• Nominal O.D. (inches): 0.144
• Weight (lbs/1,000ft): 20.3

*Data provided on this page is subject to change based on different manufacturers' variances

** Images are for display purposes only refer to Product Technical Details for accurate information on the product.

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