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NABCEP Associate Exam QUESTIONS AND ANSWERS GRADED A+ 2024/2025
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NABCEP Associate Exam QUESTIONS AND ANSWERS GRADED A+ 2024/2025
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NABCEP Associate ExamUL 1741 - ANSStandards for inverters, converters, controller and interconnections
UL 1703 - ANSStandard for safety, flite plate, Pv modules and panels
What PV panels are crafted from cylindrical silicon ingot - ANSmonocrystalline
Residential Pv systems are restricted to no extra than 24 -volt cells linked in collection -
ANS48V in total in keeping with NEC 690.71
Roof installed structures are established on aluminum or chrome steel rail secured secured
into the roof trusses the usage of - ANSLag Bolts
Diagnosing a PV hassle - ANSStay safe, look at device first, turn things off with disconnects,
then take measurements
PV monitoring systems - ANSconsists of a device that measures modern-day and voltage on
ac output of the inveter
PV supply circuits meets PV output circuits - ANSin the combiner box
The factor at the IV curve where the MPPT is most - ANSis on the third point
Current is measured with - ANSmultimeter with a clamp
ARC flashes inverters are prepared with - ANSarc fault detection
NEC - ANScontains which twine to use
OSHA - ANSFederal employer that establishes and enforces requirements of safety for the
place of job
a restaurant makes use of 2200WH , forty eight V dc, four.9 PSH, and a Battery efficiency of
ninety%, what is the Ah capability needed? - ANS2200WH/48V = 45.Eighty three AH forty
five.83AH/.Ninety = 50.92 50.92/4.Nine = 10.39
A restaurant uses 2WH and has 10 kWh in garage what can they operation? - ANSThey can
function all operations for days. 10 kWh is lots of potential as compared on your utilization of
two wh. First convert 10 kWh to 10,000 Wh which is a lot compared to two wh. Refer to
segment 7.Four.Zero of your NCCER ebook for extra element.
When you lock out a system you want to apply - ANSengraving
What became a non producing financial incentive for installing pv - ANSrebates
, PV system warranties are for - ANS25 years
what amps would reason an installer if stunned now not be able to allow cross - ANSover
10MA
Inverter warranties - ANSare 10 years
Amps are represented by using - ANSA
What desires to be finished to PV modules to prevent them from energizing and inflicting
surprise - ANSthey want be blanketed and the leads plugged together
Inverters use a digtigal show to signify - ANSambient temperature and voltage output
Ground fault safety - ANSis located inside the inverter
STC - ANSair mass of much less than 1.5 spectral distribution
What point on curve has the maximum MPPT on IV curve - ANSthe thrid point in the graph
Digital meter with clamp - ANSAmmeter
What is the gain of setting modules on the floor in preference to the roof - ANSthey are
cooler
What is the protection required to do at the roof via the life of the gadget - ANSreplace
brackets
you need what type of gear to save you shock - ANSinsulated gear
Items used for combining the output of grid tied battery inverter - ANSdc disconnected
between array and inverter
Diversion rate controller - ANSdiverts strength from completely charged batters to load
which data is included in the scope of NEC - ANSnational electric code
In a grid connected system PV array ground fault protection is typically blanketed as a part
of the - ANSinteractive inverters
which calcualtion is used to decide the overcurrent safety device installed in a PV supply
circuit - ANSISCx1.25
DC disconnet is required - ANSbetween the array and the inverter
AC disconnect is needed - ANSbetween the inverter and the constructing service panel
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