Table 9-8 Available Conduit Area

(Square Millimeters)

As a practical limit, projects for new installations should be designed to the 26% fill limitation.

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PERCENT OF FILL

26%

35%

40%

50%

100%

35

145

194

220

277

555

41

340

460

526

658

1316

53

563

759

867

1084

2168

63

803

1081

1236

1545

3090

78

1237

1666

1904

2380

4761

91

1661

2235

2554

3193

6387

103

2134

2872

3282

4103

8206