Solar Final Study Set ||All Answers Are Correct 100%.
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local authorities often supplement the NEC with special requirements called __________________ correct answers building ordinances
Article ___ of the NEC covers specific requirements unique to PV systems and installations correct answers 690
The components that connect the PV source circuit t...
local authorities often supplement the nec with sp
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Solar Final Study Set ||All Answers Are Correct 100%.
local authorities often supplement the NEC with special requirements called
__________________ correct answers building ordinances
Article ___ of the NEC covers specific requirements unique to PV systems and installations
correct answers 690
The components that connect the PV source circuit to the rest of the system is the
_______________ correct answers PV Output circuit
Inverter output circuit requirements are the same as _______ _______ residential wiring
requirements correct answers General Purpose
The maximum voltage output of an array is properly calculated as the sum of the open-circuit
voltages of the series-connected modules with an adjustment for the __________ correct answers
temperature
The NEC identifies two types of PV circuit currents, _______________ current and PV Output
circuit current correct answers PV source circuit
The maximum PV circuit output current is the value used to size circuit __________ and circuit
protection correct answers Conductors
The maximum PV circuit current is equal to ____ of the sum of the individual source circuit
currents correct answers 125%
Typically, a PV system contains numerous strings of _______________ PV modules correct
answers Series-connected
NEC requires the ________ of the conductors to be at least 125% of the maximum current
correct answers ampacity
insufficient conductor size can cause inacceptable _______ losses correct answers Voltage
__________ protects the conductor inside from unintended contact with personnel or equipment
correct answers Insulation
PV output wiring is often the _______ run in a PV System correct answers Longest
Conductor ampacity must be adjusted, or _______, according to the temperature correct answers
De-Rated
A ______________ provides an alternative, low resistance emergency path for current to flow
and disperse into the earth correct answers Grounding system
, in a 3-phase system, current flows through the _______ line only when there's an imbalance
correct answers Neutral
NEC 690.48 requires the installation of a temporary _____________ to maintain ground
connection for safety while the system is being serviced correct answers Bonding Jumper
A __________________ provides an electrical connection to earth correct answers Grounding
Electrode
A __________ occurs when a short-circuit between either neutral or the powerlines and ground
occurs correct answers Ground Fault
_________ strikes produce an enormous surge of current at high voltage correct answers
Lighting
A _____________ network provides a low impedance path from the termination network to the
electrodes correct answers Down Conductor
A _____________ responds to a sudden spike in voltage by shorting the lines to ground to divert
the surge to ground correct answers Surge Arrestor
The ____ limits current to protect a system correct answers TVSS
In PV systems, the surge arrestor on the DC side is located at the __________ correct answers
Combiner Box
Since most PV work is outdoors, workers should protect themselves from solar radiation by
wearing a hat, safety glasses with ___________, and Sunscreen correct answers UV Protection
If a ladder will be near live electrical components, the hand rails of the ladder must be made of
non-conductive materials such as ___________ correct answers Fiberglass
Some PV systems use batteries that contain ______________, which can cause serious chemical
burns correct answers Corrosive Acids
A ______ circuit diagram uses a separate line to represent each conductor in an electrical circuit
correct answers 3-line
The most basic drawing that is used to represent the electrical flow of multiple wires between
components of an electrical system is a _____ circuit diagram correct answers 1-line
The _________ mounting style mounts the PV array in a permanent position correct answers
Fixed Tilt
The ______________ style mounts the array in a manner that allows it to be manually adjusted
correct answers Adjustable-tilt
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