NABCEP PV ASSOCIATE CORRECT
100%
Anti-Islanding - ANSWERGrid-tied PV systems having to disconnect when grid is down
Direct current - ANSWERpositive and negative connection
Hybrid PV - ANSWERIncludes another source of power, such as generator, wind
turbine, or microhydro
Self-regulating system - ANSWERNo charge controller; not charge over 3% battery
capacity in an hour; small loads relative to size of battery and PV (coastguard buoy)
Height required for fall protection - ANSWER6 feet
ladder ratio - ANSWER1 (width) to 4 (height)
height of ladder above roof - ANSWER3 feet
ampacity - ANSWERability of wire to carry current
maximum series fuse rating - ANSWERFuse will open circuit in PV module if too much
current
digital multimeter - ANSWERmeasures current, volt, resistance.
black lead = negative
red = positive
100%
Anti-Islanding - ANSWERGrid-tied PV systems having to disconnect when grid is down
Direct current - ANSWERpositive and negative connection
Hybrid PV - ANSWERIncludes another source of power, such as generator, wind
turbine, or microhydro
Self-regulating system - ANSWERNo charge controller; not charge over 3% battery
capacity in an hour; small loads relative to size of battery and PV (coastguard buoy)
Height required for fall protection - ANSWER6 feet
ladder ratio - ANSWER1 (width) to 4 (height)
height of ladder above roof - ANSWER3 feet
ampacity - ANSWERability of wire to carry current
maximum series fuse rating - ANSWERFuse will open circuit in PV module if too much
current
digital multimeter - ANSWERmeasures current, volt, resistance.
black lead = negative
red = positive
