What is the size range of zones in the ceiling zone distribution method?

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Multiple Choice

What is the size range of zones in the ceiling zone distribution method?

The idea behind the ceiling zone distribution method is to divide a floor into ceiling-access zones that are each served by a single distribution point, so the horizontal cabling to the rooms stays within a practical length and is easy to test and maintain. The size of these zones is chosen to balance having too many zones against long, unwieldy cable runs. In practice, a ceiling zone is sized roughly from 23 square meters (about 250 square feet) up to 84 square meters (about 904 square feet). This range lets a group of rooms be served efficiently by one zone without making the cables too long. If a zone is smaller than about 23 m^2, you’d end up with too many zones and more connections; if it’s larger than about 84 m^2, the horizontal runs become lengthy, complicating installation, testing, and future changes.

The idea behind the ceiling zone distribution method is to divide a floor into ceiling-access zones that are each served by a single distribution point, so the horizontal cabling to the rooms stays within a practical length and is easy to test and maintain. The size of these zones is chosen to balance having too many zones against long, unwieldy cable runs. In practice, a ceiling zone is sized roughly from 23 square meters (about 250 square feet) up to 84 square meters (about 904 square feet). This range lets a group of rooms be served efficiently by one zone without making the cables too long. If a zone is smaller than about 23 m^2, you’d end up with too many zones and more connections; if it’s larger than about 84 m^2, the horizontal runs become lengthy, complicating installation, testing, and future changes.

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