Read this passage: 'The National Electrical Code (NEC) is updated every three years by the National Fire Protection Association. It provides minimum standards for safe electrical installations and is adopted by most states and municipalities as law.' What is the primary purpose of the NEC?
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A
To train electricians for certification exams
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B
To set minimum safety standards for electrical installations
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C
To regulate the pricing of electrical work
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D
To license electrical contractors nationwide