SOLAR FINAL STUDY SET
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
a photovoltaic cell creates electricity when exposed to sunlight due to _______
movement in the molecules that compromise the cell - Correct Answers -Electron
A PV module is comprised of individual photovoltaic _____ wired and mounted together
in an integrated unit - Correct Answers -Cells
The voltage of a PV array can be increased by wiring modules together in _______ -
Correct Answers -Series
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
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
a photovoltaic cell creates electricity when exposed to sunlight due to _______
movement in the molecules that compromise the cell - Correct Answers -Electron
A PV module is comprised of individual photovoltaic _____ wired and mounted together
in an integrated unit - Correct Answers -Cells
The voltage of a PV array can be increased by wiring modules together in _______ -
Correct Answers -Series
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
