Grounding for pv systems - Study guides, Class notes & Summaries

locate 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? clearly marked with a barrier - Answer If holes a...

local authorities often supplement the NEC with special requirements called __________________ correct answers building ordinances Article ___ of the NEC covers specific requirements unique to PV systems and installations correct answers 690 The components that connect the PV source circuit to the rest of the system is the _______________ correct answers PV Output circuit Inverter output circuit requirements are the same as _______ _______ residential wiring requirements correct answers...

1. What NEC article addresses requirements for PV installations? - Answer Article 690 2. What are the nine parts of NEC Article 690? - Answer I. General II. Circuit Requirements III. Disconnecting Means IV. Wiring Methods V. Grounding VI. Marking VII. Connection to Other Sources VIII. Storage Batteries IX. Systems Over 600 Volts 3. Draw a diagram to illustrate the electrical integration of PV systems. - Answer 4. How to determine the maximum DC voltage of a PV s...

NABCEP PV ASSOCIATE RETAKE EXAM|RETAKE PRACTICE EXAM LATEST EXAM 2024|ALL QUESTIONS AND CORRECT VERIFIED ANSWERS|100% GUARANTEED TO PASS!|ALREADY GRADED A+/BRAND NEW VERSION An off-grid installation has a 1HP pump that is on 10% of the time and a 20W light that is on 100% of the time. What is the monthly energy use? - ANSWER-68KWh 1HP = 746W 746W * 0.1 * 24hours * 30days = 53712Wh 20W * 24hrs * 30days = 14400Wh 14400 + 53712 = 68112Wh 68kWh What kind of ground faults do most inverters...

A 150 kVA service transformer has a 480Y/277 volt 3-phase primary and a 208Y/120 volt, 3-phase secondary. What is the approximate full-load ampere rating of the primary of the transformer? - ANSWER-180 amperes Where a conductor is marked RHW-2 on the insulation what does the "-2" represent? - ANSWER-The conductor has a maximum operating temperate of 90 degrees C. For a grounded electrical system supplied by a feeder or branch circuit, the equipment grounding conductor shall be sized in a...

California C10 Electrical Exam Questions And Answers Min #receptacles in a garage - ANS 1 Mobile home service equipment shall be line of sight and no more than ____ from the exterior wall of the home - ANS 30' If a service conductor is over 300V but less than 600V, what is the minimum clearance of that service conductor if it runs in residential and commercial areas that are not subject to traffic? - ANS 15' A power meter must be a minimum of ____ feet away from any door, ga...

A 150 kVA service transformer has a 480Y/277 volt 3-phase primary and a 208Y/120 volt, 3-phase secondary. What is the approximate full-load ampere rating of the primary of the transformer? - ANSWER-180 amperes Where a conductor is marked RHW-2 on the insulation what does the "-2" represent? - ANSWER-The conductor has a maximum operating temperate of 90 degrees C. For a grounded electrical system supplied by a feeder or branch circuit, the equipment grounding conductor shall be sized in a...

A solar panel installer uses a heavy rubber mallet to - Answer locate rafters The product that neutralizes lead acid battery electrolyte is - Answer baking soda If a standoff for a roof-mounted array needs to be mounted in an area between two wooden rafters, what can be added to the rafters to anchor the mount? - Answer Spans made of 2" x 6" boards Under standard test conditions, the array should be receiving full sun, which is how many watts per square meter of panel spa...

Min #receptacles in a garage correct answers 1 Mobile home service equipment shall be line of sight and no more than ____ from the exterior wall of the home correct answers 30' If a service conductor is over 300V but less than 600V, what is the minimum clearance of that service conductor if it runs in residential and commercial areas that are not subject to traffic? correct answers 15' A power meter must be a minimum of ____ feet away from any door, gas meter, or window opening. corre...

Master Electrician Q%A VERIFIED TEST | ALREADY PASSED Where a 90 ampere, 240-volt, single-phase load is located 225 feet from a panelboard and is supplied with size 3 AWG copper conductors, determine the approximate voltage drop on the conductors. (K = 12.9) - ANSWER 10 volts Wiring methods associated with solar photovoltaic (PV) systems shall not be installed within _____ of the roof decking or sheathing except where directly below the roof surface covered by PV modules and associ...