705 – Interconnected Electric Power Production Sources

Article 705 – Interconnected Electric Power Production Sources

Change at a Glance:

Article 705 was extensively reorganized and revised for this Code cycle.

Article 705 Interconnected Electric Power Production Sources

Part I. General
705.1 Scope.
705.2 Definitions.
705.3 Other Articles.
Table 705.3 Other Articles
705.6 Equipment Approval.
705.8 System Installation.
705.10 Directory Identification of Power Sources.
705.11 Supply-Side Source Connections.

(A) Output Rating.

(B) Conductors.

(C) Overcurrent Protection.

(D) Bonding and Grounding. (Subject to change per CAM 70-45)

(E) Connections.

(F) Disconnecting Means. (Subject to change per CAM 70-46)

(G) Ground-Fault Protection.
705.12 Point of Connection Load-Side Source Connections.

(A) Supply Side Dedicated Overcurrent and Disconnect.

(B) Load Side Bus or Conductor Ampere Rating.

(C) Marking.

(D) Suitable for Backfeed.

(E) Fastening.
705.13 Power Control Systems.

(A) Monitoring.

(B) Setting.

(C) Overcurrent Protection.

(D) Single Power Source Rating.

(E) Access to Setting.
705.14 Output Characteristics.
705.16 Interrupting and Short-Circuit Current Rating.
705.20 Disconnecting Means, Sources.
705.21 Disconnecting Means, Equipment.
705.22 Disconnect Device.
705.23 Interactive System Disconnecting Means.
705.25 Wiring Methods.

(A) General.

(B) Flexible Cords and Cables.

(C) Multiconductor Cable Assemblies.
705.28 Circuit Sizing and Current.

(A) Calculation of Maximum Circuit Current.

(B) Conductor Ampacity.

(C) Neutral Conductor.
705.30 Overcurrent Protection.

(A) Solar Photovoltaic Systems Circuit and Equipment.

(B) Transformers Overcurent Device Ratings.

(C) Fuel Cell Systems Power Transformers.

(D) Interactive Inverters.

(E) (D) Generators.
705.31 Location of Overcurrent Protection.
705.32 Ground-Fault Protection.
705.40 Loss of Primary Source.
705.45 Unbalanced Interconnections.

(A) Single Phase.

(B) Three Phase.
705.42 Loss of 3-Phase Primary Source.
705.50 Grounding.

Part II. Interactive Inverters Microgrid Systems
705.50 System Operation.
705.60 Primary Power Source Connection.
705.65 Reconnection to Primary Power Source.
705.70 Microgrid Interconnect Devices (MID).
705.60 Circuit Sizing and Current.

(A) Calculation of Maximum Circuit Current.

(B) Ampacity and Overcurrent Device Ratings.
705.65 Overcurrent Protection.

(A) Circuits and Equipment.

(B) Power Transformers.

(C) Conductor Ampacity.
705.70 Interactive Inverters Mounted in Not Readily Accessible Locations.
705.80 Utility-Interactive Power Systems Employing Energy Storage.
705.82 Hybrid Systems.
705.95 Ampacity of Neutral Conductor.

(A) Neutral Conductor for Single Phase, 2-Wire Inverter Output.

(B) Neutral Conductor for Instrumentation, Voltage, Detection or Phase Detection.
705.100 Unbalanced Interconnections.

(A) Single Phase.

(B) Three Phase.

Part III. Generators
705.130 Overcurrent Protection.
705.143 Synchronous Generators.

Part IV. Microgrid Systems 705.150 System Operation.
705.160 Primary Power Source Connection.
705.165 Reconnection to Primary Power Source.
705.170 Microgrid Interconnect Devices (MID).