Safety:
□ Is there a ladder set up with three rungs over the eave?
□ Is it lashed at the top?

PV Modules:
□ Are the specified quantity and model number of modules installed?

PV Mounting:
□ Is a manufactured racking or rail system used?
□ Does the installation look sturdy? Do the racks sag?
□ Do the modules extend over the ridge line? If so, do the plans allow for this (was engineering required at plan check)?

PV Wiring:
□ Is the PV wiring protected from damage? 300.4
□ Is the wiring secured with weather resistant clamps (plastic cable ties can degrade in the weather)?
□ Is the conduit entry weather tight? 312.2
□ Is the wiring done in a workmanlike manner? 110.12

PV Grounding:
□ Is the PV ground wire either protected in conduit or #6AWG? 250.120(C)
□ Is the ground wire attachment per manufacturer’s instructions?

PV feeder:
□ If the DC feeder enters the building envelope without first passing through a disconnect, is it in metal conduit? 690.31 (E)
□ If the DC feeder conduit is metal, is the conduit bonded correctly? 250.97
□ Does the plan show a combiner? Is it fused at the correct values?
□ Is there a disconnecting means for the DC feeder before it enters the inverter? 422.31(B) and 690.15.
□ Does the DC disconnect provide isolation from internal energized parts? (Most DC disconnects do not have a dead-front and need a lock or tool tightened bolts). 110.27.

Inverter:
□ If multiple inverters, are they spaced according to manufacturer’s specifications?
□ Are conduits adequate to protect wiring from damage?

AC Feeder:
□ Is there a disconnecting means for the AC feeder? 422.31(B)
□ If the feeder is two pole, are the handles tied? 240.20b(3)
□ Is the feeder breaker sized according to plans?

Signs: