Multi-core Cable
Multi-Conductor AWM Cable — Bundled High-Temperature Internal Wiring
This category covers multi-conductor cable assemblies built from UL Recognized AWM wire for equipment internal wiring where several circuits follow the same routing path. Within the UL AWM range, multi-conductor construction is provided by the mica-insulated styles: two or more individually insulated conductors are cabled together with a mica glass binder and fiberglass fillers, up to a maximum overall diameter of 1.500 inches (38.1 mm), with an optional treated glass braid covering over the assembly. This bundled construction simplifies installation and ensures consistent thermal exposure across all conductors in high-temperature equipment.
For single-conductor styles and the full style index, see the AWM Wire category; for panel and control wiring see Industrial Control Cable. The sections below explain where multi-conductor AWM assemblies apply.
Multi-Conductor Mica Cable — High-Temperature Instrumentation
The mica AWM styles support optional multi-conductor assembly for furnace and high-temperature equipment instrumentation — 2–3 conductor thermocouple measurement cables, 4–7 conductor RTD and multi-channel temperature monitoring, and larger bundles for multi-zone furnace control. See Mica Fiberglass Wire for the available constructions, rated to 450°C with single and multi-conductor options.
Optional Shielding and Overall Covering
Mica multi-conductor assemblies can include an optional stainless steel alloy 304 shield braid over the treated glass braid where electromagnetic shielding is required, and an optional overall treated glass braid for a unified outer surface and additional mechanical protection. Conductor count within the 1.500-inch assembly depends on individual conductor AWG.
Selecting a Multi-Conductor Assembly
A multi-conductor AWM assembly is specified by the number of conductors, the individual conductor AWG, the circuit voltage, the operating temperature class (200°C or 450°C for the mica styles), whether a shield is required, and whether an overall covering is needed. For applications routing multiple high-temperature circuits through the same path, a single multi-conductor assembly typically delivers a lower installed cost than running individual conductors.
Single-Conductor Alternatives
Where circuits do not share a routing path, or where the application is general-purpose control and appliance wiring rather than high-temperature instrumentation, single-conductor AWM hook-up wire is usually the more practical choice — see PVC Wire, Silicone Wire, and XLPE Wire.
Request a Quotation
To receive a quotation for a multi-conductor assembly, provide the conductor count, the individual conductor AWG, the circuit voltage, the operating temperature, the insulation material, any shielding or overall covering requirement, colour coding, quantity, and a brief description of the application. Quotations are returned within 24 hours.
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