This three-conductor screened instrumentation and audio cable features tinned copper conductors, an overall aluminium-polyester foil shield, and an integral drain wire, engineered for low-noise analogue signal and audio transmission in industrial and commercial installations.
Type: Multi-Conductor Overall Screened Beldfoil Shielded Instrumentation and Audio Control Cable (Standard Belden 8772 Design Form Factor)
Length: Supplied in standard continuous spools, typically 100 ft, 500 ft, and 1000 ft reels
Colour: Chrome Grey Outer PVC Sheath with Black, Red, and White Core Conductors plus a bare tinned copper Drain Wire
Function: Delivers low-voltage analogue signals, sensor loops, line-level audio, and industrial instrumentation data while providing comprehensive protection against electromagnetic and radio frequency interference
Design: Three stranded tinned copper conductors, polypropylene or polyethene core insulation, overall 100 per cent coverage Beldfoil aluminium-polyester foil shield, stranded tinned copper drain wire, and a flexible PVC outer jacket
Connector size: 3-core cable referencing 0.75 mm² / 18 AWG to 20 AWG class sizing (standard catalogue Belden 8772 is 20 AWG / approx 0.52 mm², with heavy-gauge series equivalents like 8770 at 18 AWG / 0.82 mm²); nominal outer diameter 5.54 mm to 6.25 mm; voltage rating 300V RMS
Ends: Cut ends ready for outer jacket stripping, drain wire grounding or pig-tailing, and termination to terminal blocks, screw connections, solder cups, or circular connector crimp pins
Protection: 100 per cent foil shield coverage for complete electrostatic and RF noise suppression, flame retardant to UL 1685 and UL VW-1, rated for operating temperatures from -20°C to +60°C UL or -20°C to +80°C
Application: Commercial sound systems, analogue sensor wiring, process control loops, building management automation, instrumentation telemetry, and industrial electronic panel interconnects
Manufacturer: Belden