4 core Shielded Multiconductor Cable, 20 AWG ( PER METER )

A 4-Core Shielded Multi-Conductor Cable, 20 AWG is a type of electronic or control cable engineered for transmitting low-voltage signals, data, or low-current power in applications where four separate circuits are required and protection from electromagnetic interference (EMI) is critical.

Common Applications

Industrial Control: Connecting various process control instruments, sensors, and actuators to Programmable Logic Controllers (PLCs).
Security Systems: Wiring access control panels, alarm keypads, and motion detectors (often using two cores for power and two cores for data/signal).
Low-Voltage Signaling: Interconnecting various electronic equipment where several signal paths and noise immunity are necessary.
Audio Distribution: Sometimes used in professional audio installations for balanced line-level signals or low-voltage speaker zones.

Technical Specification

Conductor Details

Parameter	Specification	Notes
Number of Conductors	4	Four individual insulated conductors, typically organized as two twisted pairs or four single conductors (cores).
Wire Gauge (AWG)	20 AWG	American Wire Gauge size, suitable for signal and low-current applications.
Conductor Material	Stranded Tinned Copper	Stranding (e.g., $7 \times 28$ or $10 \times 30$ ) provides flexibility; tinning protects against corrosion.
Nominal Conductor DCR	$\approx 33.8 Ohms/km$	Nominal DC Resistance per kilometer.

Construction & Shielding

Parameter	Specification	Notes
Insulation Material	PVC, PE, or SR-PVC (Semi-Rigid PVC)	Determines dielectric strength and temperature rating.
Conductor Lay-Up	Twisted (Cores or Pairs)	The conductors are twisted to maintain consistent electrical properties and reduce noise.
Shielding Type	Overall Foil Shield (Aluminum/Polyester) and/or Braid Shield	The foil shield offers $100%$ coverage, while a braid adds mechanical strength.
Drain Wire	Included (typically 22 AWG or 24 AWG Tinned Copper)	Used to terminate the shield to ground, safely dissipating EMI/RFI noise.
Jacket Material	PVC, LSZH (Low Smoke Zero Halogen), or TPE	PVC is standard; LSZH is for fire-restricted environments.
Nominal Outside Diameter (O.D.)	$\approx 4.0 mm to 6.0 mm$	The final diameter of the jacketed cable.

Electrical and Environmental Ratings

Parameter	Specification	Compliance and Use
Voltage Rating	300V or 600V	Maximum recommended operational voltage.
Operating Temperature	$- 2 0^{\circ} C to + 8 0^{\circ} C$ (Typical)	Range for reliable operation, heavily dependent on jacket material.
Agency Approvals	UL Listed (e.g., UL 2464), CSA, RoHS	Confirms compliance with safety and environmental directives.
Nominal Capacitance	$\approx 60 - 80 pF/ft$ (Conductor to Shield)	A measure of energy storage, which affects high-frequency signal integrity.