Appendix A: Allowable Mounting System Loading

Tesla Compatible modules have been evaluated for design loads on the back surface (e.g., wind load) and on the front surface (e.g., wind and snow load)

UL 2703 Requirements:

PV Modules were evaluated at the following attachment spacings in order for Tesla Solar hardware to obtain load ratings using specified test procedures:

ZS Ramp
Module Landscape Portrait
Attachment Spacing Load (PSF) Attachment Spacing Load (PSF)

Tesla

T420S, T425S, T430S and T395H, T400H, T405H

24"

100 - front side;

72 - rear side

24"

31.3 - front side;

37.5 - rear side

Q Cells

Q.Pro-G4

where ### = 250-265

24"

50 - front side;

72 - rear side

24"

50 - front side;

72 - rear side

Q.Pro-G4.1

where ### = 270-325

Q.Peak Duo BLK G5

where ### = 310-320

Q.Peak Duo BLK G6+

where ### = 330-345

Q.Peak Duo BLK ML-G10+/TS

where ### = 395-415

24"

100 - front side;

72 - rear side

24"

31.3 - front side;

37.5 - rear side

*all spacings are measured on center.

Tesla Solar Hardware must be installed following all applicable instructions.

Listed by UL to UL 2703 for a mechanical load rating up to 50 psf downforce and up to 50 psf uplift. This racking system is Listed for fire performance, grounding and mounting of Listed PV modules where the combination of Listed module and Listed racking system has been evaluated.