750 MCM XHHW-2 Copper Building Wire

Allowable Ampacity (Per NEC Table 310.16):

• 60°C: 400 Amps
• 75°C: 475 Amps
• 90°C (XHHW-2 Rating): 535 Amps

Description:

750 MCM XHHW-2 Copper Building Wire is a stranded conductor with cross-linked polyethylene (XLPE) insulation, designed for use in conduit, raceways, and feeders where high ampacity and durability are required. Rated for 600V, it operates in wet, dry, and corrosive environments, with a maximum temperature rating of 90°C.

Also Known As:

750 XHHW-2 Copper Building Wire, 750 XHHW Cable, 750 XHHW Service Wire, 750 XHHW Copper Wire, 750 MCM XHHW Wire, 750 MCM Copper XHHW-2 Cable, 750 MCM Electrical Wire, 750 MCM Stranded Copper XHHW-2.

Applications:

• Primary and secondary feeders in large commercial and industrial buildings
• Underground conduit installations where moisture resistance is required
• Main service conductors for high-load electrical panels
• Backup generator wiring for hospitals, data centers, and critical facilities
• Cable tray wiring in industrial settings requiring high ampacity

Construction:

Conductor:

• Material: Annealed bare copper (concentrically stranded)
• Properties: High conductivity, moisture resistance, and excellent durability

Insulation:

• Material: Cross-linked polyethylene (XLPE)
• Properties: Flame-retardant, resistant to chemicals, moisture, and abrasion

Standards & Compliance:

• UL Standard 44 – Thermoset-Insulated Wires and Cables
• ASTM B3 & B8 – Soft and Concentric-Lay-Stranded Copper Conductors
• Federal Specification A-A-59544
• RoHS/REACH Compliant
• NEC Article 310.16 – Ampacity Ratings
• ICEA S-95-658 (NEMA WC70) – Power Cables Rated 2000V or Less

Specifications:

• Size: 750 MCM
  Number of Strands: 61
  Diameter Over Conductor (Inches): 0.865
  Insulation Thickness (mils): 80
  Weight per 1,000 ft: 2449 lbs
  Jacket: XLPE