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Question 14/76

A commercial 600v carport-mounted PV system is installed with rigid running under the parking lot to an inverter pad located at the edge of the parking lot. At what depth below the parking lot base MUST condult be buried?

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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...