Which of the following is required when installing a roof-mounted PV array to maintain the fire classification of a roof?

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Multiple choice — select the best answer

AAdding a layer of fire-retardant coating to the roof
BProviding a minimum 3-foot wide clear access pathway from eave to ridge
CInstalling only bifacial modules
DUsing only aluminum racking

✓ Correct answer: B. Providing a minimum 3-foot wide clear access pathway from eave to ridge To maintain a roof's fire classification, a minimum 3-foot wide clear access pathway from eave to ridge is required as per fire code requirements for PV installations.

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