What is the minimum distance a standard upright or pendant sprinkler can be to a...

The minimum distance a standard upright or pendant sprinkler can be installed from a wall is typically 4 inches (100 mm), ensuring adequate water distribution and preventing shadowed areas where the sprinkler's water spray may not reach.

References: NFPA 13 installation criteria for sprinklers, which specify placement relative to walls and other obstructions to ensure effective coverage.