Product Overview
The USEI-90 Underground Cable is designed for secondary power distribution and underground service entrances at 600V or below. Certified to CSA C22.2 No. 52 and CSA C22.2 No. 38, it combines cross-linked polyethylene (XLPE) insulation with a durable PVC jacket, ensuring reliability in harsh underground environments.
Key Features
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CSA-Certified: Complies with CSA C22.2 No. 52 (underground service) and No. 38 (thermoset insulation).
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Voltage Rating: 600V for secondary distribution networks.
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Temperature Range: -40°C to 90°C (cold bend and high-temp resistant).
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Conductor Options: Compact stranded aluminum (Class B) or copper (Class B).
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Environmental Resistance: UV, moisture, abrasion, and cut-through resistant.
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Safety: FT1 flame-retardant PVC jacket.
Technical Specifications
| Parameter | Details |
|---|---|
| Voltage Rating | 600V |
| Conductor | Aluminum (Class B) or Copper (Class B) |
| Insulation | RW90 XLPE (CSA C22.2 No. 38 Compliant) |
| Jacket | PVC (UV/Weather-Resistant, FT1-Rated) |
| Neutral Conductor | Same size or reduced (optional) |
| Phase Identification | Color-Coded (Red/Black/White for 3C; Red/Black/Blue/White for 4C) |
Applications
Utility & Infrastructure
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Underground Distribution: Residential, commercial, and industrial service entrances.
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Direct Burial: Suburban power grids, street lighting, and renewable energy projects.
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Duct Systems: Urban underground networks and utility tunnels.
Commercial & Industrial
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Secondary Circuits: Backup power systems and substation connections.
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Outdoor Installations: Weather-resistant wiring for parking lots and campuses.
Installation Guidelines
Approved Uses
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Direct burial in trenches (no conduit required).
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Duct banks, conduits, or underground raceways.
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Wet/dry locations and areas exposed to soil stresses.
Prohibited Uses
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❌ Above-ground exposed runs without mechanical protection.
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❌ Temperatures exceeding 90°C.
Key Notes
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Bending Radius: Follow CSA guidelines to avoid jacket damage.
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Phase Coding: Sequential printing ensures easy identification (e.g., red/black/white for 3C).
Performance Advantages
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Durability: XLPE insulation resists moisture and electrical treeing.
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Safety: FT1-rated jacket prevents flame propagation.
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Flexibility: Cold bend tested to -40°C for winter installations.
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Cost Efficiency: Aluminum option reduces material costs for long runs.
FAQs
Q: Can USEI-90 be used for primary voltage systems?
A: No. It is rated for secondary distribution (≤600V) only.
Q: Is the neutral conductor required to match phase size?
A: No. The neutral can be reduced (e.g., half-size) based on project needs.
Q: Is this cable suitable for coastal areas?
A: Yes. The PVC jacket resists saltwater corrosion.
Ordering Options
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Conductor: Aluminum or Copper.
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Configuration: 3-conductor (red/black/white) or 4-conductor (red/black/blue/white).
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Neutral Size: Full-size or reduced (specify during ordering).