Article 705 - Interconnected Electric Power Production Sources

the article 705 section of the chapter 7 test

Article 705 covers installation of one or more electric power production sources operating in parallel with a _____ source(s) of electricity.

(C) primary

The definitions in Article 705 shall apply only within Article 705.

(B) False

In accordance with Article 705, a premises wiring system that has generation, energy storage, and load(s), or any combination thereof, that includes the ability to disconnect from and parallel with the primary source is known as a “_____ system”.

(C) microgrid

Interactive equipment intended to operate in parallel with electric power production sources shall be listed for interactive function or be _____ for interactive function and have a field label applied, or both.

(B) evaluated

For interconnected power production source(s), installation of one or more electrical power production sources operating in parallel with a primary source(s) of electricity shall be performed only by _____.

(A) qualified persons

Interconnected power production installations with multiple co-located power production sources shall be permitted to be identified as a group(s).

(A) True

Interconnected power production source(s) are permitted to be connected to the supply side of the service disconnecting means when in compliance with 705.11.

(A) True

For supply-side connected interconnected power production source(s), the sum of the interconnected power source continuous current output ratings on a service, other than those controlled in accordance with 705.13, shall not exceed the ampacity of the _____.

(A) service conductors

Where supply-side power source output circuit conductors make their connection to the service outside of a building, they shall be protected by over-current devices in a(an) _____ outside the building or at the first readily accessible location where the power source conductors enter the building.

(B) readily accessible location

For supply-side connected interconnected power production source(s), the connection of power source output circuit conductors to the _____ conductors shall be made using listed connectors as described in 110.14.

(A) service

For meter socket enclosures or other equipment under the exclusive control of the electric utility for supply-side connected interconnected power production source(s), only connections approved by the _____ shall be permitted.

(A) electric utility

For supply-side connected interconnected power production source(s), if the power production equipment requires a grounded conductor, a connection shall be made between the supply-side bonding jumper and the grounded conductor at the supply-side disconnecting means in accordance with 705.11 (F).

(B) False

For supply-side connected interconnected power production source(s), the connection of power source output circuit conductors to the service conductosr shall be made using _____ connectors as described in 110.14 and comply with all enclosure fill requirements.

(A) listed

Interconnected power production source(s) are permitted to be connected to the load side of the service disconnecting means at any distribution equipment of the premises.

(A) True

Where an interconnected power source connection is made to a feeder, the feeder shall have an ampacity _____ percent of the power source output circuit current.

(D) equal to 125 percent of the power source output circuit current, or greater than 125

Where interconnected power production source output connections are made at feeders, all taps shall be sized based on the sum of _____ percent of all power source(s) output circuit current(s) and the rating of the over-current device protecting the feeder conductors for sizing tap conductors using the calculations in 240.21 (B).

(C) 125

Where interconnected power production source output connections are made at bus-bars, and there are two sources (one a primary power source and the other another power source) located at opposite ends of a bus-bar that contains loads, the sum of 125 percent of the power source(s) output circuit current and the rating of the over-current device protecting the bus-bar shall not exceed _____ percent of the ampacity of the bus-bar.

(B) 120

When determining the ampere rating of bus-bars associate with load-side source connections of interconnected power production sources, one can use the sum of the ampere ratings of all over-current devices on _____, both load and supply devices, excluding the rating of the over-current device protecting the bus-bar, but shall not exceed the ampacity of the bus-bar.

(B) panelboards

Where interconnected power production source output connections are made at either end of bus-bars of a center-fed panelboard in a dwelling unit, the sum of 125 percent of the power source(s) output circuit current and the rating of the over-current device protecting the bus-bar shall not exceed _____ percent of the current rating of the bus-bar.

(C) 120

Where interconnected power production source output connections are made to circuit breakers not marked “line” and “load”, the circuit breaker is considered suitable for back-feed.

(A) True

Where interconnected power production source output connections are made to circuit breakers _____ “line” and “load”, the circuit breaker is considered suitable for back-feed.

(A) not marked

Listed plug-in-type circuit breakers back-fed for interconnected power production sources that are listed and identified as _____ shall not require a fastener as required by 408.36 (D).

(A) interactive

In accordance with Article 705, the sum of all PCS-controlled currents, plus all monitored _____ from other sources of supply, shall not exceed the ampacity of any bus-bar or conductor supplied by the power production sources.

(A) currents

In accordance with Article 705, consideration shall be given to the contribution of _____ currents from all interconnected power production source(s) for the interrupting and short-circuit current ratings of equipment on interactive systems.

(C) fault

Means shall be provided to disconnect power source output circuit conductors of interconnected electric power production equipment from conductors of other systems. The disconnecting means shall be a _____.

(D) any of these

All raceway and cable wiring methods included in Chapter _____ of this Code and other wiring systems and fittings specifically listed, intended, and identified for use with interconnected electric power production systems and equipment shall be permitted.

(C) 3

Circuit conductors for interconnected power production systems shall _____.

(D) all of these

Neutral conductors for interconnected power production systems used solely for instrumentation, voltage detection, or phase detection can be sized in accordance with _____.

(B) 250.102

In accordance with Article 705, transformers with power sources on each side (primary and secondary) of the transformer shall be provided with primary over-current protection in accordance with 450.3. The primary shall be the side of the transformer connected to the largest source of _____ current.

(A) available fault

For interconnected power production systems, risks to personnel and equipment associated with the _____ could occur if an interactive electric power production source can operate as an intentional island.

(A) primary source of power

For interconnected power production systems, when the primary source supply system is restored, special detection methods are typically required to limit exposure of power production sources to _____ re-connection.

(A) out-of-phase

For interconnected power production systems, single-phase power sources in interactive systems shall be connected to three-phase power systems in order to limit unbalanced voltages at the point of interconnection to not more than _____ percent.

(B) 3

In accordance with Article 705, micro-grid systems shall be permitted to disconnect from the primary source of power or other interconnected power production source(s) and operate as an isolated micro-grid system operating in _____ mode.

(B) island

In accordance with Article 705, micro-grid interconnect devices shall _____.

(D) all of these