Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

US industry experts trace the evolution of PV rapid shutdown rules and outline how recent updates to UL 3741 are reshaping compliance pathways for rooftop and commercial solar in the United States.

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Milwaukee's laser level can arrange everything in and around your home, from leveling floors and hanging curtains to ...

This is a column about a helpful trick that will radically improve your memory with minimal effort so you can learn faster. But before I get to the science behind the technique and how it can help ...

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Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Getting good sleep is critical. A 2018 study found that people who sleep for five to six hours are 19 percent less productive than people who regularly sleep for seven to eight hours per night. People ...

Josh Helke started rock climbing at five years old. Throughout a lifetime spent in a sport that relies on steady, deliberate ...

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