Solar Grounding Wire Lug — Secure Rail-to-Ground Connection

Description

Grounding wire lug for solar mounting rails. Slides into T-slots, clamps grounding cable firmly to the rail for reliable equipotential bonding. Serrated contact surface, stainless steel construction, corrosion-resistant. Factory direct.

Overview

The grounding wire lug is an essential component for the equipotential bonding of photovoltaic mounting systems. Designed to slide directly into the T-slot of standard aluminum mounting rails, it provides a clean, secure connection point for the system's grounding wire — no drilling, no separate brackets, no exposed hardware.

Its two-screw design makes installation simple and reliable: the vertical screw locks the lug firmly onto the rail, while the horizontal screw clamps the bare copper grounding wire in place. A serrated contact surface bites into the rail for low-resistance electrical contact, ensuring dependable grounding performance that meets the requirements of modern PV system standards.

Key Features

T-slot compatible

• — slides directly into standard PV mounting rail T-slots

Two-screw clamping

• — vertical screw locks onto the rail; horizontal screw secures the grounding wire

Low-resistance contact

• — serrated surface bites into the rail for a solid electrical bond

Tool-free positioning

• — slides along the rail to any position before tightening

Wire compatibility

• — accepts standard bare copper grounding wire

Corrosion-resistant

• — durable metallic construction for long-term outdoor exposure

No drilling required

• — clean installation without damaging the mounting rail

Compliance-ready

• — suitable for grounding and bonding per NEC 690.43 / IEC 60364

Technical Specifications

Applications

• Connecting grounding wire to PV mounting rails
• Equipotential bonding in rooftop solar systems
• Grounding for ground-mounted arrays and solar carports
• Rail-to-wire bonding for lightning protection systems
• Residential, commercial, and utility-scale PV installations

Quality Assurance

Each grounding lug is manufactured under strict quality control to ensure precise T-slot fit, consistent screw torque, and durable surface finish for long-term, low-resistance grounding performance.

Customization & Packaging

Sizes:

• multiple sizes for different rail slots and wire gauges

Packaging:

• bulk cartons or custom retail packaging

OEM/ODM:

• custom packaging and branding available