ELECTRICAL ENGINEER'S HANDBOOK
CONTENTS CHAPTER 1 GENERAL INFORMATION 1 1 0 INTRODUCTION 1 1 1 CHECKLISTS 1 1 2 ELECTRICAL SYMBOLS AND MOUNTING HEIGHTS 19 1 3 NEMA DEVICE CONFIGURATIONS 33 1 4 IEEE STANDARD ELECTRICAL POWER SYSTEM DEVICE FUNCTION NUMBERS AND CONTACT DESIGNATIONS 35 1 5 NEMA STANDARD ENCLOSURES 58 1 6 FORMULAS AND TERMS 61 1 7 TYPICAL EQUIPMENT SIZES AND WEIGHTS 62 1 8 SEISMIC REQUIREMENTS 62 CHAPTER 2 NATIONAL ELECTRICAL CODE NEC ARTICLES TABLES AND DATA 69 2 0 WORKING SPACE ABOUT ELECTRIC EQUIPMENT 69 2 1 OVER 600 VOLTS NOMINAL 80 2 2 OVERCURRENT PROTECTION STANDARD AMPERE RATINGS 82 2 3 NEC ARTICLE 240 21 LOCATION IN CIRCUIT FEEDER TAP RULES 84 2 4 NEC ARTICLE 310 CONDUCTORS FOR GENERAL WIRING 92 VII C H A P T E R O N E GENERAL INFORMATION 1 0 INTRODUCTION THIS CHAPTER PROVIDES INFORMATION OF A GENERAL NATURE THAT IS FREQUENTLY NEEDED BY THE ELECTRICAL DESIGN PROFESSIONAL INFORMATION THAT FOLLOWS IN SUBSEQUENT CHAPTERS IS MORE SPECIFIC AND CLOSELY FOLLOWS THE DESIGN PROCESS 1 1 CHECKLISTS THE FOLLOWING CHECKLISTS SHOULD PROVE USEFUL IN THE EXECUTION OF PROJ ECTS 1