发表于2024-10-31
Electrician's Exam Preparation 2024 pdf epub mobi 电子书
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Based on the 1999 National Electrical Codea, this invaluable guide begins with such basics as electrical fundamentals, formulas, and circuits. More advanced topics such as conductor sizing and protection, outlet and junction boxes, motors, voltage drop, residential and commercial load calculations, and delta-wye transformers follow additional chapters on alternating current circuits, transformers, and generators. To ensure that readers really understand the material, detailed rationales work in direct concert with approximately 2400 practice test questions and answers.
Electrician's Exam Preparation 2024 pdf epub mobi 电子书