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NABCEP EXAM WITH COMPLETE SOLUTIONS LATEST UPDATE
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NABCEP EXAM WITH COMPLETE SOLUTIONSLATEST UPDATE 2025-2026
Sealed Battery - ANSWER what kind of battery that requires the least maintenance
600V - ANSWER The multimeter used on PV equipment should be able to measure how
much?
180 degrees - ANSWER Pyranometers represent a view of
DC Disconnect - ANSWER What isolates a combiner from any downstream components?
specific gravity of an electrolyte - ANSWER What does a Hydrometer Measure?
galvanic corrosion - ANSWER what does orange and brown streaks on mounting
hardware indicate?
70% to 80% - ANSWER For most utility-interactive PV systems, the system output should
fall within what
percentage range of the overall output from the array when it was new?
Detailed temperature investigations of entire PV arrays - ANSWER What is a thermal
imaging camera used for?
baseline data - ANSWER Any system check or troubleshooting effort must start with
95% - ANSWER The output of most charge controllers should be within what percentage
,value of their input?
100 inch pounds - ANSWER The mounting hardware used with most PV system arrays
requires a torque level of less than
supply it with a known level of DC power - ANSWER One quick way to evaluate an
inverter is to
5 minutes - ANSWER after opening Disconnects, how long must you wait to allow voltage
to dissipate
Inverter Output - ANSWER First step When troubleshooting a PV system is?
combiners and panels - ANSWER If the batteries and the charge controller are
functional, but the charge controller and inverter are receiving
no power from the array, the next logical thing to check is the
The instrument used to measure solar irradiance is a - ANSWER Pyranometer
In most cases an inverter should have an output that is approximately - ANSWER 95%
What category test meter must be used on PV equipment? - ANSWER CatIII/IV
What tool is used to clean inverter vents - ANSWER A vaccum Cleaner
What solution is used to clean panels - ANSWER Water and Dishwashing Detergent
find rafters - ANSWER A solar panel installer uses a heavy rubber mallet in order to
, DIN rail - ANSWER When assembling a new Outback Power System PV8 combiner for
installation, the part of the combiner
enclosure that holds the circuit breakers is the
738 sq ft - ANSWER When a 12' by 35' array is installed with an additional 3' of safety
space on all sides, roughly how many
square feet of roof area will be needed?
obviously marked with a barrier - ANSWER If holes are dug in the ground for a PV
installation, make sure that they are
Up to 2 hours - ANSWER When most FLA batteries are being activated, how much time
is generally required for the plates and other
components to absorb the electrolyte?
15 minutes - ANSWER When working in heat, installers should drink eight ounces of
water every
NEC Article 690 - ANSWER Grounding for PV systems is covered under
44 lbs - ANSWER A 240W Canadian Solar CS5P -M solar panel weighs
to make it easier later to see if one has loosened. - ANSWER Why mark the threads of
bolts holding mounting hardware?
baking soda - ANSWER The product that neutralizes lead acid battery electrolyte is
bathrooms - ANSWERThe NEC® prohibits the use of a PV system disconnect in
installer's supervisor - ANSWERIf materials or tools are not available prior to starting an
installation, but can be worked around until they
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