Solar PV

UL 3741: Photovoltaic Hazard Control and the 1000V System

This is part 2 of Sean White’s explanation of UL 3741, also known as photovoltaic hazard control and otherwise known as rapid shutdown. The UL 3741 listing came out in 2020 and it takes time for manufacturers to come up with and list products and systems. 

Surprisingly, a few months ago SMA came out with a […]

October 6th, 2022|Categories: Megawatt Design, Safety, Solar, Solar Design & Installation||

The 2023 National Electrical Code is Now Available Online for Free

Becoming familiar with the National Electrical Code (NEC) is an absolute requirement for anyone planning on advancing in residential and commercial solar installation, design, or operations. It’s created by the National Fire Protection Association (NFPA) to safeguard persons and property from hazards associated with all types of electrical installations, not only photovoltaic ones. The NEC […]

September 21st, 2022|Categories: Safety, Solar, Solar Design & Installation, Solar miscellaneous||

Why Your Company Needs a Solar + Storage Display System and Other Ways to Get Proficient with Energy Storage Systems

We asked Chris LaForge, instructor of several solar and storage courses on HeatSpring, what steps companies newer to energy storage should be taking to get up to speed and do quality work. Chris explains the value of training, why your company needs to install a fully functioning display system onsite, and the importance of finding […]

September 1st, 2022|Categories: Solar, Solar Design & Installation, Solar miscellaneous, Solar Plus Storage||

Changing Standards for the PV Industry: UL 61730 for PV Modules and UL 3741 for PV Hazard Control (Rapid Shutdown UL Listing)

Codes and standards are regularly updated for the constantly evolving solar and storage industries. Sean White and Bill Brooks recently updated their advanced codes courses on HeatSpring to include information on UL 61730 and UL 3741. Here’s some information on the new standards. 

UL 61730 – PV Module Safety Standards

UL 61730 is the new PV module […]

August 30th, 2022|Categories: Safety, Solar, Solar Design & Installation, Solar miscellaneous||

Key Takeaways from the National Solar Jobs Census 2021 + Updates to Solar Career Pathways Course

Sharing out the latest information on solar employment statistics is a big component in HeatSpring’s free Solar Career Pathways course. When partners on the course, the Interstate Renewable Energy Council (IREC), released their National Solar Jobs Census 2021, we jumped at the opportunity to update the course and share out the latest data on the […]

August 24th, 2022|Categories: Free Courses, Solar, Solar Design & Installation, Solar miscellaneous||