ABB - Installation Products SBC414 - Aluminum Solar Panel Grounding Lug for Wire Range #14 - #4 AWG
ABB - Installation Products

SBC414

UPC: 075114171328


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Overview

The ABB SBC414 Aluminum Solar Panel Grounding Lug is a UL-listed grounding solution designed for solar panel installations requiring secure bonding of aluminum conductors. This grounding lug accommodates wire sizes from #14 to #4 AWG, providing a reliable connection for grounding systems in photovoltaic (PV) arrays. Constructed from durable aluminum, the SBC414 ensures long-term corrosion resistance and electrical conductivity, critical for outdoor solar applications exposed to moisture and UV radiation. The lug features a tin-plated copper alloy insert for optimal conductivity and compatibility with aluminum conductors, reducing the risk of galvanic corrosion. It is rated for use in grounding systems where NEC compliance is required, including NEC 690.47 for PV system grounding. The SBC414 is suitable for both residential and commercial solar installations, including rooftop and ground-mount systems. Installation is straightforward with standard tools, and the lug is designed to accommodate compression-style crimping for a permanent, low-resistance connection. The compact design allows for easy integration into junction boxes, combiner boxes, or directly on solar panel frames. ABB’s grounding lugs are trusted in industrial and utility-scale solar projects where reliability and compliance are non-negotiable.
  • UL-listed grounding lug for solar panel installations
  • Accommodates wire sizes #14 to #4 AWG
  • Tin-plated copper alloy insert for optimal conductivity
  • Corrosion-resistant aluminum construction
  • NEC 690.47 compliant for PV system grounding

Specifications

Application
Solar Panel Grounding
Material
Aluminum
Special Features
Simplifies daisy-chained copper ground wire attachment to solar arrays with a wire slot oriented in the proper direction of the cable run
Standard
UL E361642
Type
Mechanical Grounding
Package Dimensions (L x W x H)
3.75 IN x 3 IN x 3.12 IN
Package Dimensions (L x W x H)
9.525 cm x 7.62 cm x 7.9248 cm
Package Weight (Imperial)
0.0500 L
Package Weight (Metric)
0.0230 kg
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How to Install the SBC-414 Solar Module Grounding Lug

This guide provides step-by-step instructions for securely mounting the SBC-414 Solar Module Grounding Lug to an aluminum solar panel frame and connecting a copper grounding conductor.

Estimated time: 15m

Tools needed:

1/8" Allen Key or Hex Driver, Wire Strippers

Supplies needed:

SBC-414 Solar Module Grounding Lug, Copper Grounding Conductor (#14 to #4 AWG), Solar Panel with Aluminum Frame

  1. Ensure Electrical Safety and Prepare Tools

    WARNING: Disconnect the electrical circuit supplying power to the outlet prior to installation to prevent risk of shock. Read all instructions and warnings carefully. Gather your 1/8" allen key or hex driver and wire strippers. Ensure the lug is securely installed in accordance with these instructions before mounting the aluminum frame.

  2. Mount the Grounding Lug onto the Solar Panel Frame

    Slide the upper opening of the SBC-414 grounding lug onto the aluminum frame of the solar panel. Using a 1/8” allen key or hex driver, torque the 'Frame Mount Set Screw' (with the knurled tip) to 45 lb-in. Ensure the lug is securely fastened to the frame.

  3. Connect the Copper Grounding Conductor

    Strip the insulation back at least 1/2” from the end of the copper conductor. Insert the stripped end of the conductor into the lower opening of the lug. Using a 1/8” allen key or hex driver, torque the 'Conductor Mount Set Screw' (with the standard/flat tip) according to the conductor size: 14 AWG (SOLID) 30 lb-in, 14 AWG (STRANDED) 35 lb-in, 12 AWG (SOLID) 35 lb-in, 12 AWG (STRANDED) 35 lb-in, 10 AWG (SOLID) 35 lb-in, 10 AWG (STRANDED) 35 lb-in, 8 AWG (SOLID) 40 lb-in, 8 AWG (STRANDED) 40 lb-in, 6 AWG (SOLID) 45 lb-in, 6 AWG (STRANDED) 45 lb-in, 4 AWG (SOLID) 45 lb-in, 4 AWG (STRANDED) 45 lb-in.

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