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Question 11/76

Which of the following MUST be referenced for determining a site's design wind speed?

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Question List (76q)
Question 1: A grid-tied PV system uses a transformerless inverter with a...
Question 2: A 5 kW PV system has a derate factor of 0.82. The site recei...
Question 3: An installer was asked to provide a means to measure the vol...
Question 4: A 20 kW system has a measured output of 18 kW at STC. What i...
Question 5: A PV system combiner box contains six source circuits, each ...
Question 6: During commissioning, a PV system's measured Voc is 10% lowe...
Question 7: A 5 kW system has a PR of 0.80 and operates at 4.5 PSH. What...
Question 8: A module's power is 340W at STC. At 700 W/m² and 40°C with a...
Question 9: With all other environmental parameters being the same, whic...
Question 10: A technician has been called to a scale due to a low-perform...
Question 11: Which of the following MUST be referenced for determining a ...
Question 12: Which of the following tests measures axial uplift when perf...
Question 13: How should stratification be eliminated in a set of large, s...
Question 14: A commercial 600v carport-mounted PV system is installed wit...
Question 15: Per NEC 690.11, what is the maximum allowable DC voltage for...
Question 16: Which of the following is an NEC requirement regarding acces...
Question 17: A 10 kW PV array uses 300W modules with a Voc of 40V and an ...
Question 18: A rooftop PV system is proposed for a commercial building wi...
Question 19: A system's inverter output is 9 kW at 900 W/m² irradiance. W...
Question 20: A system's inverter efficiency drops from 97% to 94% due to ...
Question 21: A system's performance ratio (PR) is calculated as 0.85. If ...
Question 22: According to the NEC, if the PV system disconnect and the bu...
Question 23: Inspection of a new PV installation shows that the dwelling ...
Question 24: A 12 kW array has a measured output of 10 kW at STC due to m...
Question 25: A system's annual output decreases by 10% due to shading. Th...
Question 26: A ground-mount array uses driven piles with a lateral load c...
Question 27: A ground resistance measurement on a newly installed groundi...
Question 28: A PV array is located 8 feet from a property line. What is t...
Question 29: Which insulation color is allowed for a current-carrying roo...
Question 30: A PV array's tilt is 15° at a latitude of 35°N. What is the ...
Question 31: A rooftop PV system is being installed on a residential buil...
Question 32: A homeowner is concerned that a 6kWdc PV system might be exp...
Question 33: On a PV system larger than 100kw, which PV array design will...
Question 34: A PV system's annual energy production is 15,000 kWh. After ...
Question 35: The AHJ for enforcement of the NEC has which responsibility?...
Question 36: A PV module shows burn marks near the junction box. What is ...
Question 37: A PV array is installed on a sloped roof with a 6:12 pitch. ...
Question 38: A PV system is installed on a dwelling with a single-phase 2...
Question 39: A bank of batteries with capability of supplying 250A and a ...
Question 40: A 10 kW array produces 14,000 kWh annually. What is the spec...
Question 41: The point-of-utility connection of a residential utility-int...
Question 42: A PV array is installed at a site with an annual average tem...
Question 43: A site survey indicates a residential roof with a 4:12 pitch...
Question 44: A PV connection is being made at the center of a 300 ft. lon...
Question 45: During a PV system inspection, an installer notices that the...
Question 46: An 8 AWG bare copper equipment ground conductor (EGC) is wir...
Question 47: Which is a requirement for designated battery rooms?...
Question 48: According to the NEC, where on a residential PV system MUST ...
Question 49: A AWG THWN-2 PV output conductors from two PV arrays are run...
Question 50: A 15 kW system has a total derate factor of 0.90. After 5 ye...
Question 51: A PV system has a 1000V DC array feeding a transformerless i...
Question 52: An 8KWsc roof-mounted array is placed on a school building. ...
Question 53: When installing an ungrounded PV system with an open-circuit...
Question 54: A PV output circuit requires a disconnecting means per NEC 6...
Question 55: A PV array's output drops by 8% due to shading from 10 AM to...
Question 56: A metal condult containing an array circuit with Vmo of 400V...
Question 57: Aerial lifts used to hoist equipment and PV modules to roof ...
Question 58: A PV system produces 12,000 kWh annually at a site with 1500...
Question 59: Which of the following voltages should be included on the dc...
Question 60: A maintenance inspection reveals cracked module glass. What ...
Question 61: A grounding electrode is required at the location of all gro...
Question 62: A module's Isc is 9A at STC. At 600 W/m² irradiance, what is...
Question 63: A PV array is installed near a pool. What is the minimum dis...
Question 64: A rooftop PV array uses a ballasted racking system with a to...
Question 65: A PV system is designed with a 48V battery bank and a 5 kW i...
Question 66: A PV system is located at 41 N latitude. The sun angle is 23...
Question 67: A bifacial PV module has a rated power of 350W on the front ...
Question 68: A 20 kW array has a measured output of 16 kW at 800 W/m² irr...
Question 69: A PV system installation utilizes micro inverters connected ...
Question 70: A customer has a 200A service with a 200A rated panel and 20...
Question 71: An installer is using ½ in lag boits to secure roof-monitori...
Question 72: A PV array's tilt is 30° at a latitude of 40°N. What is the ...
Question 73: The NEC requires that PV systems installed on dwellings inco...
Question 74: A PV system includes a 15 kW array with a maximum power poin...
Question 75: An installer is working on a 1000V DC PV array. What is the ...
Question 76: A PV system is designed for a location with a peak sun hours...