PVIP 試験問題を無料オンラインアクセス

A PV output circuit requires a disconnecting means per NEC 690.13. Where must it be located?

• A.Within 10 feet of the array
• B.At the point of interconnection
• C.Within sight of the inverter
• D.At the main service panel

A dwelling has a 200A main load center with a 150 main breaker. Which of the following is the MOST powerful 240V inverter that can be installed in the house using the existing main panelboard with a backfed breaker?

• A.21, 600W
• B.9, 600W
• C.17, 280W
• D.7, 689W

A site survey indicates a residential roof with a 4:12 pitch facing 20° east of south. The local latitude is 35°N, and the optimal tilt for maximum annual production is equal to latitude. What adjustment should be made to compensate for the roof's orientation and tilt to achieve near-optimal output?

• A.No adjustment needed; output loss is negligible
• B.Increase array capacity by 5%
• C.Install adjustable racking to match 35° tilt
• D.Rotate modules 20° west to face true south

A PV array is installed near a pool. What is the minimum distance required from the water's edge per NEC
690.31?

• A.20 feet
• B.5 feet
• C.15 feet
• D.10 feet

Which of the following is an NEC-indicate means to identify PV source and output circuits at accessible points of termination connection, and splices?

• A.Tagging
• B.Conduct stickers
• C.Insulation type
• D.Placards