3.Co Ordination

3.6.9 NEC Section 240.12, SystemCoordination or Selectivity

3.24 Section Three

3.6.9

(continued)

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Overcurrent Protection 3.25

3.6.9 (Continued )

3.6.10

(continued)

3.6.10 NEC Section 240.13, Ground-Fault Protectionof Equipment on Buildings or Remote Structures

3.6.11 NEC Section 240.21, Location Requirementsfor Overcurrent Devices and Tap Conductors

3.6.11

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3.26 Section Three

3.6.11 (Continued )

(continued)

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Overcurrent Protection 3.27

3.6.11 (Continued)

3.6.12

3.6.12 NEC Section 240.40, DisconnectingMeans for Fuses

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3.6.13 NEC Section 240.50, PlugFuses, Fuseholders, and Adapters

3.28 Section Three

3.6.13

3.6.14

3.6.15

3.6.14 NEC Section 240.51, Edison-Base Fuses

3.6.15 NEC Section 240.53, Type S Fuses

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3.6.17 NEC Section 240.60, CartridgeFuses and Fuseholders

Overcurrent Protection 3.29

3.6.17

3.6.18

3.6.16

3.6.16 NEC Section 240.54, Type S Fuses,Adapters, and Fuseholders

3.6.18 NEC Section 240.61, Classificationof Fuses and Fuseholders

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3.6.19 NEC Section 240.86, Series Ratings

3.30 Section Three

3.6.19

3.6.20

3.6.20 NEC Section 240.90, Supervised IndustrialInstallations

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3.6.21 NEC Section 240.92(B), TransformerSecondary Conductors of Separately DerivedSystems (Supervised Industrial Installations Only)

Overcurrent Protection 3.31

3.6.21

3.6.22

3.6.23

3.6.22 NEC Section 240.92(B)(1), Short-Circuitand Ground-Fault Protection (SupervisedIndustrial Installations Only)

3.6.23 NEC Section 240.92(B)(2), OverloadProtection (Supervised Industrial Installations Only)

3.6.24

3.6.24 NEC Section 240.92(C), Outside FeederTaps (Supervised Industrial Installations Only)

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3.6.25 NEC Section 240.100, Feeder and Branch-Circuit Protection over 600 V Nominal

3.32 Section Three

3.6.25

3.6.26

3.7.1

3.7.2

3.7.3

3.6.26 NEC Section 240.100(C),Conductor Protection

3.7.1 NEC Section 250.2(D), Performanceof Fault-Current Path

3.7.2 NEC Section 250.90, Bonding Requirementsand Short-Circuit Current Rating

3.7.3 NEC Section 250.96(A), Bonding OtherEnclosures and Short-Circuit Current Requirements

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3.7.4 NEC Section 250.122, Sizing ofEquipment Grounding Conductors

Overcurrent Protection 3.33

3.7.4

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3.10.1 NEC Section 384.16, PanelboardOvercurrent Protection

3.8.1 NEC Section 310.10, TemperatureLimitation of Conductors

3.34 Section Three

3.8.1

3.9.1

3.10.1

3.9.1 NEC Section 364.11, Protectionat a Busway Reduction

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Overcurrent Protection 3.35

3.11.1

3.11.2

3.11.1 NEC Section 430.1, Scope of Motor Article

3.11.2 NEC Section 430.6, Ampacity of Conductorsfor Motor Branch Circuits and Feeders

3.11.3

3.11.3 NEC Section 430.8, Marking on Controllers

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3.36 Section Three

3.11.5

3.11.5 NEC Section 430.36, Fuses Used to ProvideOverload and Single-Phasing Protection

3.11.4 NEC Section 430.32, MotorOverload Protection

3.11.4

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3.11.6 NEC Section 430.52, Sizing of VariousOvercurrent Devices for Motor Branch-CircuitProtection

Overcurrent Protection 3.37

3.11.6

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3.11.7 NEC Section 430.53, Connecting SeveralMotors or Loads on One Branch Circuit

3.38 Section Three

3.11.7

3.11.8

3.11.8 NEC Section 430.71, MotorControl-Circuit Protection

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3.11.10 NEC Section 430.72(B), MotorControl-Circuit Conductor Protection

Overcurrent Protection 3.39

3.11.10

3.11.9

3.11.9 NEC Section 430.72(A), MotorControl-Circuit Overcurrent Protection

(continued)

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3.40 Section Three

3.11.10 (Continued )

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3.11.11 NEC Section 430.72(C), MotorControl-Circuit Transformer Protection

Overcurrent Protection 3.41

3.11.11

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3.11.12 NEC Section 430.94, MotorControl-Center Protection

3.42 Section Three

3.11.12

3.11.13

3.12.1

3.11.13 NEC Section 430.109(A)(6), ManualMotor Controller as a Motor Disconnect

3.12.1 NEC Section 440.5, MarkingRequirements on HVAC Controllers

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3.13.1 NEC Section 450.3, ProtectionRequirements for Transformers

Overcurrent Protection 3.43

3.12.2

3.13.1

3.12.2 NEC Section 440.22, Application andSelection of the Branch-Circuit Protection forHVAC Equipment

(continued)

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3.44 Section Three

3.13.1 (Continued )

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3.13.3 NEC Section 450.3(B), ProtectionRequirements for Transformers 600 V or Less

Overcurrent Protection 3.45

3.13.2

3.13.3

3.13.2 NEC Section 450.3(A), ProtectionRequirements for Transformers over 600 V

3.13.4 NEC Section 450.6(A)(3), Tie-Circuit Protection

3.13.4

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3.46 Section Three

3.14.1

3.15.1

3.16.1

3.14.1 NEC Section 455.7, Overcurrent ProtectionRequirements for Phase Converters

3.15.1 NEC Section 460.8(B), OvercurrentProtection of Capacitors

3.16.1 NEC Section 501.6(B), Fusesfor Class 1, Division 2 Locations

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3.17.1 NEC Section 517.17, Requirements forGround-Fault Protection and Coordination inHealth Care Facilities

Overcurrent Protection 3.47

3.17.1

3.18.1

3.18.1 NEC Section 520.53(F)(2), Protectionof Portable Switchboards on Stage

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3.19.1 NEC Section 550.6(B), Overcurrent ProtectionRequirements for Mobile Homes and Parks

3.48 Section Three

3.19.1

3.20.1

3.21.1

3.20.1 NEC Section 610.14(C), ConductorSizes and Protection for Cranes and Hoists

3.21.1 NEC Section 620.62, Selective Coordinationof Overcurrent Protective Devices for Elevators

(continued)

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3.22.1 NEC Section 670.3, Industrial Machinery

Overcurrent Protection 3.49

3.21.1 (Continued )

3.22.1

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3.23.1 NEC Section 700.5, EmergencySystems: Their Capacity and Rating

3.50 Section Three

3.23.1

3.23.2

3.23.2 NEC Section 700.16, Emergency Illumination

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3.23.3 NEC Section 700.25, Emergency SystemOvercurrent Protection Requirements (FPN)

Overcurrent Protection 3.51

3.23.3

3.24.1

3.24.1 NEC Section 705.16, InterconnectedElectric Power Production Sources: Interruptingand Short-Circuit Current Rating

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3.25.1 NEC Section 725.23, OvercurrentProtection for Class 1 Circuits

3.52 Section Three

3.25.1

3.26.1

3.26.1 NEC Section 760.23, Requirements forNon-Power-Limited Fire Alarm Signaling Circuits

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