250ft (76.2m) Bulk 18 AWG Speaker Wire - Plenum CMP-Rated
250 ft bulk 18 AWG speaker wire, CMP-rated for plenum use, with color-coded conductors and a white jacket
C2G CG40537 is a 250 ft (76.2 m) bulk spool of 18 AWG speaker wire designed for professional audio installations in commercial and educational environments. This plenum-rated cable features a CMP and FT6 rated jacket, making it suitable for running through air plenums and within walls without the requirement of conduit. The cable consists of two 18 AWG twisted pair copper conductors, color-coded red and black to simplify identification during termination. Each individual conductor is constructed from 7 strands of 26 AWG copper wire to ensure consistent performance. The white jacket includes integrated footage markers, allowing installers to easily track the length used during a run.
No documents are published for this part. Ask us for the paperwork and we will get it from the manufacturer.Key features
Specifications
| Cable Length | 250 ft (76.2 m) |
| Shipping Weight | 5.21 lbs (2.4 kg) |
| Cable Type | AudioBulk |
| Color | White |
| Jacket Application | Plenum Rated |
| Jacket Rating | CMP RatedFT6 Rated |
| Product Type | Speaker Wire |
| TAA Compliant | No |
| UPC | 757120405375 |
| Certifications | NDAA 889Prop 65REACHRoHSTSCA |
| Warranty | Lifetime |
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Questions about this part
Is the C2G CG40537 rated for plenum air spaces?
Yes, this speaker wire features a CMP and FT6 rated jacket specifically for use in plenum-rated air spaces and wall cavities without conduit.
How do I differentiate the conductors in the C2G CG40537?
The wire consists of two color-coded 18 AWG twisted pair copper conductors—one red and one black—to ensure easy identification during termination.
What is the conductor composition of this 18 AWG wire?
Each conductor is made from 7 strands of 26 AWG copper wire, providing a stranded construction for audio applications.
Can I track how much wire I have left on the spool?
Yes, the cable includes integrated footage markers to help you track the exact length used during your installation.
Does this speaker wire include a warranty?
This C2G bulk speaker wire is covered by a lifetime warranty.