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Solid Aluminum Air Terminal Class 2

Air Terminal: Solid Aluminum, Dia= 15.9mm, long= 2ft

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A Class 2 Solid Aluminum Air Terminal is a lightning protection component designed for structures exceeding 75 feet (23 meters) in height. According to UL and NFPA 780 standards, Class 2 systems require larger and more durable materials than Class 1 systems to handle the increased electrical loads and environmental stresses associated with taller buildings.

Key Specifications

Standard Diameter: Must be at least 5/8 inch (15.9 mm) to meet Class 2 requirements.
Common Lengths: Typically range from 10 to 24 inches, though custom lengths up to 144 inches are available depending on the structure's needs.
Tip Styles:
- Blunt: Often preferred for safety and reduced corona discharge.
- Tapered/Pointed: The traditional "lightning rod" design.
Mounting: Usually features a 5/8-inch threaded base to connect with standard Class 2 air terminal bases and adapters.

Applications and Requirements

Tall Structures: Used exclusively on buildings over 75 feet high.
Placement: Must extend at least 10 inches above the object or roofline they are protecting.
Prohibitions: Aluminum components should not be used in specific environments, such as on copper-roofed structures or on stacks where they may be exposed to corrosive exhaust.

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