326-BT Load Box Extension Cable Accessory

Test Overhead Pole-Mounted CT Installations Without Bringing the Load Box Into the Bucket

The TESCO Metering 326-BT is an add-on accessory designed for use with the 326P and 326X Load Boxes. It allows technicians to keep the load box at ground level while extending the connection point to the bucket for testing overhead pole-mounted current transformer (CT) installations.

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Description


With the included hooks, the 326-BT attaches securely to the bucket lip. A 28-foot extension cable connects the load box to the accessory, while a 10-foot test cable wraps through the CT for testing.

Key Features:

  • Keeps the compatible load box at ground level
  • Hooks securely to the bucket lip
  • Provides safe in-air disconnect capability
  • Supports clean, secure cable management
  • Recessed quick-connects on the test cable eliminate exposed metal contacts near CTs
  • TPE-ready cables with strain relief for long-lasting field performance

Specifications

Unit Details
Catalog Number 326-BT
Compatibility TESCO Metering 326P, 326X and 480 Load Boxes
Dimensions 7.5 in. × 2.2 in. × 6.25 in.
Weight 12 lbs. / 5.44 kg
Maximum Voltage 600V
Extension Cable 28 ft. with 1/4-inch ring terminals
Test Cable 10 ft.
Carrying Case Rugged hard-shell, waterproof carrying case

The 326-BT is a load box accessory and does not operate as a standalone testing device.

Contact TESCO Metering to request a quote or schedule a demonstration

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Disclaimer:

TESCO Metering reserves the right to modify product designs, specifications, features, and documentation at any time as part of our continuous improvement process. All information is provided “as is” and may change without prior notice. While TESCO Metering® strives for accuracy, completeness, and technical reliability, customers should verify the latest product details before making purchasing or engineering decisions. For confirmation of current specifications or application suitability, please contact TESCO Metering® directly.