Description

The JB-1.2 Rooftop Penetration Junction Box by EZ Solar is an effective way to transition rooftop wiring into your attic space with absolute confidence. The EZ Solar system offers a simplified solution for composition shingle roofs. Our products provide installers with maximum flexibility and proven reliability of solar panels.

JB-1.2 Rooftop Penetration Junction Box Features

• Minimum number of components
• Patented design
• Fast and easy installation
• 100 cubic inches (Systems 7kW and smaller)

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JB-1.2 Specifications and Ratings

• Maximum Voltage: 1,000 Volts
• Maximum Current: 80 Amps
• Allowable Wire: 14 AWG – 6 AWG
• Spacing: Please maintain a spacing of at least ½” between uninsulated live parts and fittings for
•  conduit, armored cable, and uninsulated live parts of opposite polarity.
• Enclosure Rating: Type 3R
• Roof Slope Range: 2.5 – 12:12
• Max Side Wall Fitting Size: 1”
• Max Floor Pass-Through Fitting Size: 1”
• Ambient Operating Conditions: (-35°C) – (+75°C)
• Compliance:
  • JB-1.2: UL1741
  • Approved wire connectors: must conform to UL1741
• System Marking: Interek Symbol and File #5019942
• Periodic Re-inspections: If re-inspections yield loose components, loose fasteners, or any corrosion between components, components that are found to be affected are to be replaced immediately.

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JB-1.2 Document Downloads