Which system requires a minimum width pull box of 1220 mm (48 in)?

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Multiple Choice

Which system requires a minimum width pull box of 1220 mm (48 in)?

Explanation:
The size of a pull box is determined by how many cables and how they’re pulled through a run. The horizontal pathway system carries large bundles of cables across long horizontal spans and through junctions, so it often requires a wide opening to accommodate the pulling operation and any necessary splices. A minimum width of 1220 mm (48 in) provides enough clearance for technicians to work, guide the cables, and avoid crowding or damage during pulls, while also allowing room for future changes. Other systems—ceiling raceway, ventilated trough cable trays, and ITS conduit designs—are typically configured in ways that use smaller pull boxes or multiple sections, so they don’t require such a wide box by default.

The size of a pull box is determined by how many cables and how they’re pulled through a run. The horizontal pathway system carries large bundles of cables across long horizontal spans and through junctions, so it often requires a wide opening to accommodate the pulling operation and any necessary splices. A minimum width of 1220 mm (48 in) provides enough clearance for technicians to work, guide the cables, and avoid crowding or damage during pulls, while also allowing room for future changes. Other systems—ceiling raceway, ventilated trough cable trays, and ITS conduit designs—are typically configured in ways that use smaller pull boxes or multiple sections, so they don’t require such a wide box by default.

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