The National Electrical Code (NEC) (or NFPA 70) is registered trademarks of the NFPA (National Fire Protection Association) that is the most complete set of electrical Code requirements that govern electrical installations in the interest of safety for persons and property. While the NEC is not itself a U.S. law, NEC use is commonly mandated by state or local law, as well as in many jurisdictions outside of the United States. The NEC codifies the requirements for safe electrical installations into a single, standardized source. (Refer to the NFPA 70)

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Shale Gas Reactor Could Saves Millions in Propylene Production (25 April 2024): By Brian Westenhaus - University of Michigan engineers have designed new chemical reactor to make an important ingredient for plastics, adhesives, carpet fibers, household cleaners and more from natural gas. The idea could reduce manufacturing costs in a post-petroleum economy by millions of dollars. The research paper has been published in the journal Science. The reactor creates propylene, a workhorse chemical that is also used to make a long list of industrial chemicals, including ingredients for nitrile rubber found in automotive hoses and seals as well as blue protective gloves. Most propylene used today comes from oil refineries, which collect it as a byproduct of refining crude oil into gasoline. As oil and gasoline fall out of vogue in favor of natural gas, solar, and wind energy, production of propylene and other oil-derived products could fall below the current demand without new ways to make them. ... (Source: Oil Price)