Tamarack Solar | 90804-A Ground Mount Kit B | 4 Modules per Column | 186" Rails | 2 Posts Note: This ground mount kit doesn't qualify for free shipping, it is classified as an oversized item. Easily build a durable solar array using Tamarack Solar 3.1 rails and UL 2703-listed module mounting components. This ground mount system is designed for use with locally sourced 2-inch schedule 40 or 80 steel pipe and concrete, allowing flexible column spacing based on your site layout. Each Ground Mount Kit includes all necessary hardware, except pipe and concrete, for a simplified, cost-effective installation. Smaller systems can ship economically via UPS. Note: 2-inch schedule 40 or 80 steel pipe and concrete must be sourced locally and are not included. Simple Design - Arrays can be built in 4-module-high columns and any width requiredEasy to install - No welding or drilling; two wrench sizes fit all fastenersUL 2703 Listed - Components meet UL 2703 standards for bonding and groundingPE Certified - Pre-stamped engineering letters available for most statesEasy to configure - Unlimited system size with tilt angles from 0° to 45°Visually Appealing - Simple to adjust for perfect alignment, even on irregular surfacesSimple Wire Management - Cables and wires fit inside railsExtremely Robust - Rated for wind speeds up to 170 MPH and ground snow loads up to 70 PSF Parts included in the kit: 4× 93" Rails (Splice to create 186" rails) 2× 2" Pipe Caps w/ U-bolts 2× Splices 4× Pipe Mounts w/ U-bolt 10× 5050 Black Clamps (Fits 30–40mm frames) OR 5050+ Black Clamps (Fits 35-46mm frames) 4× End Caps 8× Module Lead Clips (Wire Clips) 1× Ground Lug 2x 2" Flex T-Fitting for Cross Bracing (Optional) Specifications: Download Kit Installation Manual: Download Tamarack Solar Kits: Download Tamarack Calculator Tool: Link