1

Standard Sizes of Lamps for General Illumination, in Watts

12.3

2 to 6

Demand Factors and Data for Determining Minimum Loads

12.4

7 to 10

Full-Load Currents of Motors

12.10

11

Capacitor Ratings for Use with Three-Phase 60-Hz Motors

12.14

12 to 23

Ampacities of Conductors

12.14

24

Ampacity of Flexible Cords and Cables

12.28

25

Ampacity of Fixture Wires

12.30

26

Ampacity of Aluminum Cable, Steel-Reinforced

12.31

27

Ampacity of Parkway Cables Buried Directly in Ground

12.31

28 to 30

Number of Conductors in Conduit and Dimensions

12.32

Compact Aluminum Wire and Dimensions

12.37

33

Switches-Termination Space

12.38

34

Switch-Gutter and Termination Space

12.39

35

Enclosed Switch Wiring Space

12.40

37

Elevation of Unguarded Parts above Working Space

12.42

38

Ordinary Ratings of Overload Protective Devices, in Amperes

12.43

39

Nonrenewable Cartridge Fuses

12.43

40 to 41

Ratings and Number of Overload Protective Devices

12.49

42

Motor Code Letters and Locked-Rotor Kilovolt-Amperes

12.51

43

Maximum Ratings for Motor Branch-Circuit Protection

12.52

44

Conversion Table of Single-Phase Locked Rotor Currents

12.53

45

Conversion Table of Polyphase Design B, C,D,and E Maximum Locked-Rotor Currents

12.54

46

Horsepower Ratings of Fused Switches

12.55

47

Minimum Branch-Circuit Sizes for Motors

12.57

48

Maximum Allowable Voltage Drop

12.58

49

Graph for Computing Copper-Conductor Sizes According to Voltage Drop

12.59

50 to 57

Data for Computing Voltage Drop

12.60

58 to 64

Metric Practice

12.69