Engineering TRT Achieves UL2703, CSA TIL NO. A-40 and Class A/B Fire Certifications for Rooftop Solar Systems MOORESTOWN, NJ, UNITED STATES, February 12, 2025 /EINPresswire.com/ — Top Rack Technology (TRT) Achieves UL2703, CSA TIL NO. A-40 Certification for …