Article Overview

A horizontal adjustable splice plate allows cable tray runs to change direction in a horizontal plane and accommodates tray widths up to 36 inches without requiring bonding jumpers.

Overview

The horizontal adjustable splice plate is designed to modify the width or direction of a cable tray run when standard horizontal fittings do not fit the installation requirements. These plates are typically furnished in pairs with all necessary hardware and are compatible with ladder-style cable trays up to 36 inches wide . They are used in commercial and industrial applications to maintain structural integrity while allowing flexibility in layout.

Specifications

  • Tray Width Compatibility: Up to 36 inches
  • Side Rail Heights: Options include 4", 5", 6", or 7" depending on the tray model
  • Material: Commonly aluminum or steel, depending on manufacturer
  • Load Capacity: Designed to support a 200 lb concentrated load beyond the cataloged cable load
  • Bonding Jumpers: Not required for the new design

Installation Guidelines

  1. Preparation: Determine the desired angle or width adjustment for the cable tray run.
  2. Field Cutting: Mark and cut the cable tray or ladder to fit the splice plate using a metal cutting tool, taking care to avoid rungs that may interfere .
  3. Attachment: Secure the splice plate to the tray using the provided hardware. Supports should be installed within 24 inches (600 mm) on both sides per NEMA VE2 standards .
  4. Tools Needed: Wrench, drill, and metal cutting tool; no special tools are required .

Applications

  • Adjusting cable tray runs for non-standard horizontal turns
  • Connecting trays of different widths
  • Industrial, commercial, and data center installations where flexibility in tray layout is required
  • Compatible with Cooper B-Line (Eaton) ladder cable trays and similar systems

Manufacturers and Availability

  • Eaton / Cooper B-Line: Offers the 9A-FSP(X) series for adjustable horizontal splice plates
  • Graybar: Supplies aluminum pairs of horizontal adjustable splice plates for B-Line systems
  • Atlantic Hardware Supply: Provides various options for ladder cable trays up to 36 inches wide These plates are essential for ensuring structural integrity, flexibility, and reliable cable management in complex installations where standard fittings cannot accommodate the required tray layout.

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