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Four spools of 26AWG tinned copper speaker wire in red yellow blue black

RCA KK-US-381 26AWG speaker wire 50 ft 4 colours

SKU CH-9QCA-WMBPD

Four-colour 26 AWG solid copper wire kit rated 300 V, 50 ft total for DIY and speaker connections

  • ColorBlack
  • Length50 ft.
  • Connector Number2
  • Specifications4Pcs 26 Gauge Solid Wire, MKBKLLJY, 16.4, feet, 26AWG solid
  • ConductorCopper Conductor
  • Features4Pcs 26 Gauge Solid Wire, Copper, 26AWG solid wire kit, 4, S
  • Ready for DIY wiring with 26AWG solid copper
  • Four colour-coded rolls simplify circuit identification
  • 300V rating handles low-voltage projects safely
  • Tinned conductors resist oxidation for reliable solder joints
  • Operating range from -20 to +80 Celsius

RCA KK-US-381 speaker wire kit

The RCA KK-US-381 kit supplies four 26 AWG solid copper conductors in red, yellow, blue and black, each 16.4 ft long for a total of 50 ft. Tinned copper strands resist oxidation and simplify soldering, crimping or stripping during electronics, automotive or hobby wiring tasks.

Behaviour under sustained load

Rated for 300 V and an operating range of -20 °C to +80 °C, the PVC insulation maintains integrity during continuous low-voltage signal or power runs. The 1.3 mm overall diameter and solid 0.42 mm core keep resistance low across the full length without the fatigue seen in stranded alternatives.

Compatibility checklist

Verify that your project accepts 26 AWG solid wire and 300 V insulation rating before ordering. Confirm the 1.3 mm outer diameter fits your routing channels, terminal blocks or connector crimps, and that the four colour-coded rolls match your circuit identification scheme.

Highlights

  • Ready for DIY wiring with 26AWG solid copper
  • Four colour-coded rolls simplify circuit identification
  • 300V rating handles low-voltage projects safely
  • Tinned conductors resist oxidation for reliable solder joints
  • Operating range from -20 to +80 Celsius

Specifications

BrandRCA
ModelKK-US-381
ColorBlack
Length50 ft.
Connector Number2
Specifications4Pcs 26 Gauge Solid Wire, MKBKLLJY, 16.4, feet, 26AWG solid wire kit, Single Strand, Copper, Round, 4, KK-US-381, 78.6 grams
ConductorCopper Conductor
Features4Pcs 26 Gauge Solid Wire, Copper, 26AWG solid wire kit, 4, Single Strand, Round, MKBKLLJY

Questions about this item

Will the 26AWG solid copper conductors overheat if I run 300V continuously all day?

The wire is rated for 300V and a temperature range of -20 to +80 °C, so continuous operation within those limits will not cause overheating.

Do I need any connectors or tools to use the four colour-coded 16.4 ft rolls?

The wire has a 1.3 mm PVC jacket over a solid 0.42 mm tinned copper core, so you only need a stripper and crimper or soldering iron to terminate it.

Can I mix these 26AWG solid-core leads with older stranded speaker cable in the same run?

Yes, both are copper conductors; just match polarity using the red, yellow, blue and black insulation colours and ensure each splice is mechanically secure.

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