4 FAQs about Photovoltaic panel rack size standards

Should you choose a mounting rack for a solar system?

Since it is a costly investment, the choice of mounting racks should not be disregarded as a minor consideration if purchasing solar systems or mounting solar modules.

What are the different types of solar racks?

They are either mounted on ground, on roofs or on poles. In the solar market there are five basic types of mounting structures of which four a fixed-angle types (a-d) and one variable-angle type (e): a) roof mounted racks b) ground mounted racks c) top-of-pole mounted racks d) side-of-pole mounted racks e) tracking system mounted racks

What is the difference between top-of-pole and ground-mounted solar racks?

Therefore, ground-mounted racks are only recommended for secure locations preferably in clean and stable environments (with few snow or dirt on-ground). Top-of-pole mounted racks are structures where mounting poles are secured into the ground and tightened with concrete and the solar module is mounted on the top of the poles.

Do solar panels need ground fault protection?

For optimal system efficiency using a roof mounted structure you need to ensure that there is no shadow from trees or other buildings in the optimally free airflow path of your solar panels. Moreover, according to 690-5 of the US National Electrical Code-NEC they require expensive ground fault protection (GFP).

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