Volume 2 Charts, Formulas, and Other Useful Information
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1 Volume 2 Charts, Formulas, and Other Useful Information Aluminum Conductor Conductor Terminations 61 Compact Aluminum (Conduit Fill Tables) Ampacity Dwelling Services 48 1-phase Loads on a 3-phase Feeder 21 Ampere Feet (Formula) 138 Area in Square Inches of Compact Aluminum Conductors Area in Square Inches of Conductors (Concentric) Area of a Circle (Formula) 43 Ballast Data, Fluorescent 92 Branch Circuits (Dwellings) 49 BTU/HR to Tons or Watts 20 Busbars, Circular Mill Area of 98 Capacitance 23 Capacitor, Selection and Formulas Centigrade and Fahrenheit (Formulas) 19 Circle, Properties of 43 Compact Aluminum (Conduit Fill Tables) Conductors Ampacity Basics Ampacity, Dwelling Services 48 Ampacity of 1-phase Loads on a 3-phase Feeder 21 Area in Square Inches of Compact Aluminum Area in Square Inches of Concentric Concentric and Compact Stranding 88 Fill in Conduit and Tubing High Ambient Temperature 86 More Than 3 Current-carrying Conductors 86 Number of Permitted in Conduit (Compact Aluminum) Ferm s Faster Finder Index, Volume 2
2 Conductors (continued) Number of Permitted in Conduit (1-phase with Reduced Neutral) Number of Permitted in Conduit (with Equipment Ground Wire) Parallel Percent Fill in Conduit and Tubing Temperature Limitation of Terminations 86 Conduit Dwelling Services Fill in Conduit and Tubing 87 Fill Tables, Compact Aluminum Fill Tables, with Equipment Ground Decimal Equivalents Chart 19 Dwellings Ampacity of Services and Feeders 49 Appliances, Typical Wattage 52 Branch Circuits for 49 Conduit Size, Service Residential Requirements Effective Voltage Value 22 Electric Heat and Rule of Thumb Branch Circuit Sizing Table 47 Density of Baseboard Heaters 47 Heating and Cooling (Summary) 20 Heat Pumps 20 Voltage Variations Multiplier (Formula) 46 Voltage Variations Multiplier (Table) 46 Watts Required for Electric Heat 46 Equipment Grounding Conductor, Sizing Table 64 Fahrenheit and Cen ti grade (Formulas) 19 Fluorescent Ballast Data Chart 92 Full-load Current, Amperes Short Cut (Formulas) 12 Single-phase Circuits (Chart) 13 Three-phase Circuits (Chart) 14 Three-phase Feeder to Single-phase Load (Formula) 21 Grounding Conductor (Sizing of) 65 Grounding Electrode Conductor (Sizing of) Ferm s Faster Finder Index, Volume 2 7
3 Grounding Electrode Conductor (Sizing of) (continued) Hazardous Areas (Defined) 58 Heating and Cooling (Summary) 20 Heat Pumps 20 High Intensity Discharge-lighting Ballast Data Chart High Voltage Leg Formula 35 Horsepower (Formulas) 25 Hot Tub or Spa 45 Hydromassage Bathtubs 45 Impedance (Formula) 44 Inductance (Formula) 12 Kilowatt-hour Consumption Formula 52 KW or KVA to Amps 12 Lighting Fixture (Luminaire) Layout 93 Load Factor 87 Luminaire (Lighting Fixture) Layout 93 Mast-type Service Drawings Surface and Flush, Short Mast (Drawing IAEI SM-1) 40 Surface and Flush, Tall Mast (Drawing IAEI SM-2) 41 Metric System 18 Mobile Home Hook-up (Drawings) Overhead Feeder 38 Underground Feeder 39 Motor Control Circuits for Magnetic Starters 94 Motor Full-load Running Current Table 96 Motor Hook-up Drawings, 1-phase and 3-phase 95 Motor Starter Coil Data 97 Motor Starter, NEMA Sizes Ferm s Faster Finder Index, Volume 2
4 NEMA Enclosure Standards Neutral Load Calculations, 1-phase and 3-phase 35 Ohm s Law (Formula) 15 Parallel Conductors Power Factor Correction Tables Power Factor (Formulas) Power of Ten, Math Formula and Examples 42 Pump Houses and Wells 55 Drawings Reactance (Formula) 23 Reciprocals (Formulas) 15 Rectifier Losses (Formula) 34 Residential Requirements Resistance (Formulas) 17 Schedule 40 PVC Conduit Fill Tables Schedule 80 PVC Conduit Fill Tables Separately Derived Systems Series-parallel Circuits Service Mast Drawings Minimum Conduit Sizes Single-family Dwellings 48 Short-circuit Calculations (Formula) Short-circuit Current Available (Summary) 99 Short-circuit Current in Amperes at Various Secondary Conductor Distances from Transformers /240-volt, Single-phase Transformer Connections Y/120-volt, Wye Transformer Connections Y/277-volt, Wye Transformer Connection /240-volt Wye, Delta Transformer Connection Ferm s Faster Finder Index, Volume 2 9
5 Short-cut Formula 12 Sine Wave (Calculations) 22 Single-phase Loads on a Three-phase Feeder 21 Sizing Equipment Ground Wire (Table) 64 Sizing Grounding Electrode Conductors Multi-enclosures Services 61 Skin Effect of Alternating Current 16 Spa or Hot Tub 45 Speed of Motor to Speed of Belt-driven Fan (Formula) 43 Swimming Pools (Grounding and Bonding) Therapeutic Pools 45 Three-phase Feeder to Single-phase Loads 41 Torquing Connections Information Transformer (Formulas & Calculations) Volt-amp (Formula) (VA Formula) 64 Voltage Drop (Formula) Voltage Drop Tables (Ampere-feet Method) Example Illustration of Tables Voltage, Effective Value 22 Voltage Variations (Multiplier Formula) 46 Voltage Variations (Multiplier Table) 46 Wattage Ratings of Residential Appliances Ferm s Faster Finder Index, Volume 2
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Revised 01/2015 Section 6 ELECTRIC SERVICE - GENERAL Page 1 of 10 Section 6 Electric Service - General 6-1 Number of Services and Voltages / Meter... 2 6-2 Energy Conversion Factors... 7 6-3 Lightning
GENERATOR DATA MAY 10, 2018
Page 1 of 10 GENERATOR DATA MAY 10, 2018 For Help Desk Phone Numbers Click here Spec Information Generator Specification Frame: 449 Type: SR4 No. of Bearings: 1 Winding Type: RANDOM WOUND Flywheel: 14.0
Contents. Obtaining Electric Service from Your Cooperative...1. Bonding Frames of Major Appliances...4. Voltage Drop...8. Drawings...
Contents Obtaining Electric Service from Your Cooperative...1 Bonding Frames of Major Appliances...4 Voltage Drop...8 Drawings...14 Agricultural Buildings...23 Optional Standby Systems...42 Grounding &
Glossary. * Credit for glossary starter: Florida Solar Energy Center. August 2015 PV Installer's Course: Glossary 1
ALTERNATING CURRENT (AC): Electric current (flow of electrons) in which the direction of flow is reversed at constant intervals, such as 60 cycles per second. AMORPHOUS SILICON: silicon with no crystal