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AmpSize

AS/NZS 3008.1.1:2025

Table 3.35

Correction factors for multicore cables on trays, ladders, racks and cleats in air

On the 2025 edition, the cable size and correction factors tools read this table for multicore cables on a tray, a ladder, a rack or cleats. The DC cable size tool reads it for 2‑core cables. The values print the same as in 2017.

تم التحقق: مقروء مقابل المعيار المطبوع، الصفحات 75. تم التحقق في 27 Sept 2026.

الوحدات: Tiers count, Count cables per tier or row

هذه هي القيم التي ترمّزها AmpSize. لا يُعاد إنتاج أي نص من المعيار. تحقق من المعيار الحالي.

العودة إلى بطاقته في صفحة AS/NZS 3008.1.1:2025

22 صفوف

Table 3.35, Correction factors for multicore cables on trays, ladders, racks and cleats in air
ItemInstallationSpacingTiers (count)Factors
1unperforated-traystouching10.97, 0.85, 0.78, 0.75, 0.71, 0.68
2unperforated-traystouching20.97, 0.84, 0.76, 0.73, 0.68, 0.63
3unperforated-traystouching30.97, 0.83, 0.75, 0.72, 0.66, 0.61
4unperforated-traysspaced10.97, 0.96, 0.94, 0.93, 0.9, —
5unperforated-traysspaced20.97, 0.95, 0.92, 0.9, 0.86, —
6unperforated-traysspaced30.97, 0.94, 0.91, 0.89, 0.84, —
7perforated-traystouching11, 0.88, 0.82, 0.78, 0.76, 0.73
8perforated-traystouching21, 0.87, 0.8, 0.76, 0.73, 0.68
9perforated-traystouching31, 0.86, 0.79, 0.75, 0.71, 0.66
10perforated-traysspaced11, 1, 0.98, 0.95, 0.91, —
11perforated-traysspaced21, 0.99, 0.96, 0.92, 0.87, —
12perforated-traysspaced31, 0.98, 0.95, 0.91, 0.85, —
13ladder-supports-racks-cleatstouching11, 0.87, 0.82, 0.8, 0.79, 0.78
14ladder-supports-racks-cleatstouching21, 0.86, 0.8, 0.78, 0.76, 0.73
15ladder-supports-racks-cleatstouching31, 0.85, 0.79, 0.76, 0.73, 0.7
16ladder-supports-racks-cleatsspaced11, 1, 1, 1, 1, —
17ladder-supports-racks-cleatsspaced21, 0.99, 0.98, 0.97, 0.96, —
18ladder-supports-racks-cleatsspaced31, 0.98, 0.97, 0.96, 0.93, —
19vertical-perforated-traystouching11, 0.88, 0.82, 0.77, 0.73, 0.72
20vertical-perforated-traystouching21, 0.88, 0.81, 0.76, 0.72, 0.7
21vertical-perforated-traysspaced11, 0.91, 0.89, 0.88, 0.87, —
22vertical-perforated-traysspaced21, 0.91, 0.88, 0.87, 0.86, —

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