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Black 14 AWG speaker wire on spool, two colour-coded conductors in black CL2 PVC jacket

Monoprice Inc.

Monoprice 141377 Speaker Wire 14AWG 2-Conductor 250ft Black

SKU CH-V00T-2C874

250 ft of 14 AWG oxygen-free copper speaker wire with CL2 in-wall rating and colour-coded conductors

  • TypeOthers
  • ColorBlack
  • Length76.2
  • Connector Number2
  • FeaturesFeatures two conductors made of high purity (greater than 99
  • High-purity oxygen-free copper reduces resistance
  • 95 percent pure conductors beat CCA's 68 percent conductivity
  • CL2 rating allows safe in-wall installation
  • Color-coded PVC jackets simplify polarity identification
  • 250-foot spool covers large multi-room layouts

14 AWG speaker cable for in-wall audio

This 250-foot reel of 14 AWG speaker wire uses oxygen-free bare copper conductors rated above 99.95 percent purity. The CL2-rated jacket meets fire-safety requirements for installation inside residential walls. Two colour-coded PVC jackets on each conductor simplify polarity identification during long runs.

Replaces copper-clad aluminium wire for lower

Copper-clad aluminium conductors are only about 68 percent as conductive as the pure bare copper used here. That extra resistance adds to the speaker impedance and can alter frequency response, especially when speakers dip below their nominal rating. The pure copper construction keeps total cable resistance well within the 5 percent guideline for transparent performance.

Maintains consistent impedance on extended runs

Because resistance scales with length, the low-resistivity copper ensures the amplifier sees a stable load even at the full 76.2 metre distance. The CL2-rated PVC outer jacket protects the conductors from the thermal and mechanical stresses of in-wall routing without degrading electrical performance over time.

Highlights

  • High-purity oxygen-free copper reduces resistance
  • 95 percent pure conductors beat CCA's 68 percent conductivity
  • CL2 rating allows safe in-wall installation
  • Color-coded PVC jackets simplify polarity identification
  • 250-foot spool covers large multi-room layouts

Specifications

BrandMonoprice
Model141377
TypeOthers
ColorBlack
Length76.2
Connector Number2
FeaturesFeatures two conductors made of high purity (greater than 99.95 percent pure), oxygen-free bare copper.

Questions about this item

What conduit or raceway size does the 14 AWG CL2-rated cable need?

The cable has a black CL2-rated PVC outer jacket over two 14 AWG conductors; verify local code for the minimum conduit fill.

Which step do installers often miss when pulling this 250 ft spool through walls?

Keep the color-coded PVC jackets on each conductor intact to preserve polarity identification and the CL2 fire rating.

When should the oxygen-free bare copper conductors be inspected or replaced?

Inspect if oxidation appears at terminations; the 99.95% pure copper resists corrosion, so replacement is only needed if the jacket or strands are damaged.

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