UL 2703, IEC 62817 and ASCE 7 address three different compliance questions for solar mounting systems — electrical grounding/fire classification, mechanical design qualification, and site-specific wind/snow load calculation. This guide explains what each standard actually verifies, which documentation buyers should request for North American versus international projects, and why passing one certification doesn't automatically satisfy the other two — helping EPC contractors and procurement teams request complete, site-accurate compliance documentation from their mounting system supplier.

NEMA VE 1 and IEC 61537 cover metal cable tray, while UL 568 covers non-metallic (FRP) tray. Compare their scope, load rating methods and safety factors, and learn which standard to specify for your project.

Shenzhen Wanan Industrial's cable tray systems have successfully passed CE certification and IEC 61537 testing, covering mechanical strength, load capacity, deflection and grounding continuity. This certification helps EPC contractors, distributors and data center developers reduce acceptance risk and speed up procurement approval on international projects.