UL 1569 Type MC Cable - Interlocked G90 Galvanized Steel Armor, 600V Copper THHN/THWN-2 (FT4 Rated)
(For Commercial & Industrial Power Distribution in Dry/Damp Locations)
Product Overview
UL-listed Type MC cable features interlocked galvanized steel armor with dual-rated THHN/THWN-2 insulation. Designed for branch circuits and feeders in commercial/industrial buildings, this pre-assembled solution complies with NEC Article 330 for exposed or concealed installations.
Key Features
- UL 1569 Listed + FT4 Flame Rating (UL 1685 verified)
- Corrosion-Resistant Armor: G90 galvanized steel strip (≥90g/m² zinc coating per ASTM A653)
- Dual-Rated Insulation: THHN/THWN-2 PVC (90°C dry / 75°C wet)
- NEC-Compliant Installation: Suitable for cable trays, conduits, or exposed runs with physical damage protection
Technical Specifications
| Parameter | Specification |
|---|---|
| Conductor | Stranded copper (Class B/C per UL 1569) |
| Insulation | THHN/THWN-2 PVC (UL 83 & UL 1581) |
| Armor | Interlocked G90 galvanized steel |
| Voltage Rating | 600V phase-to-phase / 1000V phase-to-ground |
| Temperature Range | -40°C to 90°C (dry) / -40°C to 75°C (wet) |
| Bending Radius | ≥7× cable diameter |
Compliance & Certifications
- UL Standards: UL 1569 (Type MC), UL 1685 (FT4 flame test)
- NEC Compliance: Article 330 (2023 Edition)
- Environmental Ratings: RoHS, REACH SVHC
Applications
✔ Commercial Buildings
- Vertical risers (UL Firestop System Verified)
- Cable tray systems (NEC 392.10 compliant)
✔ Industrial Facilities
- Machine tool power supply
- HVAC equipment feeders
✔ Restricted Use
- Not approved for: Direct burial / Continuous sunlight exposure / Hazardous locations*
*For Class I Div 2 areas, specify MC-HL variant with UL 2225 certification
Installation Guidelines
- Exposed Runs:
- Requires conduit protection where subject to physical damage (NEC 330.15)
- Secure with UL-listed MC cable clamps every 1.8m
- Concealed Wiring:
- Maintain 25mm clearance from thermal insulation
- Grounding:
- Bond armor to grounding system per NEC 250.118(10)
Ordering Information
| Model | Conductor | Configuration | Packaging |
|---|---|---|---|
| MC-12/2 | 12 AWG | 2C+Ground | 500'/roll (wooden reel) |
| MC-14/3 | 14 AWG | 3C+Ground | 1000'/roll (steel reel) |
Warning Statements
- ⚠️ Critical Compliance: This product loses UL listing if armor is removed or modified.
- ⚠️ Field Termination: Use UL-recognized MC connectors (e.g., T&B 3511 series).