AS/NZS 3008.1.2:2017

Table 29

Rating factors for thermal resistivity of the soil

The cable size and correction factors tools read the factor for the thermal resistivity of the soil. It applies only to buried cables.

Na-verify: binasa laban sa naka-print na standard, mga pahina 90. Na-check noong 24 Sept 2026.

Mga unit: Resistivity K·m/W

Ito ang mga value na ine-encode ng AmpSize. Walang text ng standard na inilalathala. I-verify laban sa kasalukuyang standard.

Maghanap ng row

8 na row

Table 29, Rating factors for thermal resistivity of the soil
Resistivity (K·m/W)	Multicore buried direct	Single core buried direct	Multicore in enclosure	Two single core in enclosure	Three single core in enclosure	Factor
0.8	1.09	1.16	1.03	1.06	1.08	1.09
0.9	1.07	1.11	1.02	1.04	1.06	1.07
1	1.04	1.07	1.02	1.03	1.04	1.04
1.2	1	1	1	1	1	1
1.5	0.92	0.9	0.95	0.94	0.92	0.92
2	0.81	0.8	0.88	0.86	0.83	0.81
2.5	0.74	0.72	0.83	0.8	0.77	0.74
3	0.69	0.66	0.78	0.75	0.71	0.69

Mga tool na bumabasa nito (3)