Final answer:
Service conductors can pass through a building if they are encased in 2" of concrete for protection and safety.
Explanation:
Service conductors passing through a building are permitted if they are in conduit encased by 2" of concrete. This provides adequate protection for the conductors while ensuring safety within the building.
Using concrete encasement around the conduit is a common practice in construction to safeguard the conductors and prevent any potential hazards due to exposure.
This method ensures that the conductors are protected from various external factors while maintaining efficiency and safety.
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