Straight Line Deadend
A Straight Line Dead End Clamps, also named Straight Line Deadend, serves as an essential electrical fitting for holding and securing conductors in overhead lines. It provides maximum protection while fixing terminals and maintaining proper conductor positioning in distribution and transmission networks. They are commonly used with aluminum conductors, ACSR cables, and various aerial line applications.
The Straight Line Dead End Clamp features a side-opening, swing-away design that enables easy installation and maintenance. These clamps are manufactured using high-grade aluminum alloy materials with galvanized steel hardware for durability. They come in various sizes to accommodate different conductor diameters, ranging from #6 to 3/0 AWG for aluminum and ACSR conductors.
These versatile clamps offer reliable performance in both low and medium voltage applications. The spring-loaded mechanism ensures consistent pressure distribution across the conductor surface. When properly installed, they provide excellent mechanical strength and maintain the conductor’s integrity while preventing any potential damage from environmental factors.
Key Features:
• High holding power with body strength ratings up to 15,000 pounds
• Weather-resistant aluminum alloy construction with galvanized steel hardware
• Side-opening, swing-away design for simplified installation
• Compatible with multiple conductor types including AAC, AAAC, and ACSR
• Available in various sizes to fit conductor diameters from 0.18 to 0.47 inches
Straight Line Deadend Drawing
| Model | Wire Outer Diameter (mm) | Main Dimensions (mm) | U-Bolt Count | Breaking Load (kN) | Weight (kg) | |||
| A | B | C | D | |||||
| NLZ-1T | 3.8~9.4 | 114 | 25.4 | 18 | 16 | 2 | 20 | 1.2 |
| NLZ-2T | 5.8~10.4 | 206 | 25.5 | 19 | 16 | 2 | 35 | 1.68 |
| NLZ-3T | 7.6~15.2 | 210 | 22.2 | 22 | 16 | 2 | 45 | 2.10 |
| NLZ-4T | 11.7~22.4 | 260 | 25.4 | 29 | 16 | 2 | 45 | 2.68 |
Frequently Asked Questions (FAQ)
What is a Straight Line Dead End Clamp?
A straight line dead end clamp is a type of deadend clamp, that designed for distribution and light transmission construction, compatible with AAC, AAAC, ACAR, and ACSR conductors. It features a vertical spring-loaded keeper for easy installation and secure conductor attachment to pole fittings.
What Materials Are Used in Straight Line Dead End Clamps?
The body and keeper are made from aluminum alloy (typically 356 T6), while hardware components use galvanized steel. The construction includes U-bolts and spring-loaded vertical keepers, ensuring durability and corrosion resistance.
What Are the Conductor Compatibility Ranges?
Straight line dead end clamps accommodate conductor ranges from 0.19 to 0.89 inches in diameter, suitable for various conductor types including #4 (7 STR) to 556.5 (37 STR) AL and #6 (6/1) to 556.5 (18/1) ACSR.
What Is the Strength Rating of These Clamps?
The ultimate body strength rating typically reaches 8000 lb, making them suitable for heavy-duty applications in power transmission and distribution systems while ensuring reliable conductor support.
Are These Clamps Weather-Resistant?
Yes, they feature hot-dip galvanized components and corrosion-resistant aluminum alloy construction, making them suitable for various environmental conditions and providing long-term protection against weather elements.
How Are They Installed?
Installation is simplified through the spring-loaded vertical keeper design. The clamp can be easily mounted using U-bolts and requires proper torque application to secure the conductor in place.
What Are the Common Applications?
These clamps are primarily used in distribution and light transmission construction, overhead power lines, utility poles, and telecommunication networks where secure conductor termination is required.
What Safety Standards Do They Meet?
Straight line dead end clamps comply with industry standards including ASTM A153 for galvanized coating, ANSI B1.1 for screw threads, and various electrical safety requirements for overhead line hardware.