Guides
Coming soon · Section in progress
Plug-in solar guides
Plain-English answers to the questions people ask before buying a plug-in solar kit.
These guides will explain how plug-in solar works and what to check before you buy or install, with sources for every safety or legal claim.
Latest guides
UL 3700 explained: what plug-in solar certification means
What UL 3700 checks, which states name it, how “certified”, “compliant” and “listed” differ, and how to check a claim yourself. Read the guide.
Plug-in solar wattage limits and circuit safety, explained
What the 1,200 W limit means, how it differs by state, and why circuit overload is the real safety question. Read the guide.
What this section will cover
Plug-in solar 101
What plug-in solar is, how it works, and who it suits.
Safety & certifications
Circuits, wattage limits, and certifications such as UL 1741 and UL 3700.
Renters & HOAs
What to check with your landlord, HOA and utility before you install.
Not electrical advice. Follow the manufacturer’s instructions and local code, and use a licensed electrician when in doubt.