The responses offered no single clear answer.

A homeowner planning a backyard solar setup turned to Reddit with a straightforward but important question: what is the proper way to ground an eight-panel system connected to a Delta Pro Ultra in the garage?

What the setup involves

In a thread on r/solarDIY, the original poster explained that the small outdoor array would include eight panels and eight mounting units set on pressure-treated 2x6s secured into the ground with long nail spikes. They also noted that solar cable and bare grounding wire were already on hand, adding that the array would sit about 100 feet from the DPU units in the garage.

The homeowner emphasized that they were trying to handle the project carefully, writing: “Please help me like I'm an idiot, because I am when it comes to all things electric and I want to get it right the first time.”

Several commenters said the system’s metal components, including the panels and mounting hardware, should be bonded and grounded properly.

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Additional context

The project involves a yard-mounted array with a roughly 100-foot connection back to the garage and a battery-backed home power setup that sits somewhere between a portable backup system and a more permanent installation.

The question was not limited to a single panel. The homeowner was trying to determine how to handle the array, the mounting equipment, and the individual panels across an outdoor structure located well away from the garage. Some supplies were already available, including ground wire, while PVC conduit still needed to be purchased.

Next steps

For now, the main focus in the thread was preparation. With eight panels, eight mounts, and a long cable run leading back to the garage, the homeowner wanted guidance before fastening the brackets and finishing the conduit layout.

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The practical to-do list was to determine how the panels, mounting hardware, array structure, wiring, and garage-side equipment should all connect before the system is energized. The aim was to complete one backyard installation safely and correctly.

The original poster said, “I want to get it right the first time.”

Where to learn more

Homeowners who run into solar installation questions often face the same safety and setup issues. These stories cover ground-mounted and rooftop projects, contractor mistakes, and the cost choices that shape a solar system.

• One homeowner had two inspections remaining before switch-on after trenching the solar array.

• On another rooftop job, an electrician asked how to get them up before work began.

• Another homeowner objected after an installer left footprints on all 12 new panels.

• EnergySage's COO explained the connected factors behind solar costs as homeowners considered installation options.