If you are planning a solar system these may allow you to not need an engineering stamp.

https://signaturesolar.com/powerfield-powerrack-solar-module-mounting-rack/?utm_source=bing&utm_medium=jkpm01&utm_term=&utm_campaign=&utm_source=bing&utm_medium=ppc&hsa_acc=6010647758&hsa_cam=482976747&hsa_grp=1235852102075434&hsa_ad=&hsa_src=o&hsa_tgt=pla-2329040505951049&hsa_kw=&hsa_mt=e&hsa_net=adwords&hsa_ver=3&msclkid=cde40b42c93d1c2b735d626c7d19ee08&utm_content=Ad%20group%20%231

#grow noster