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(C) Metric Designators and Trade Sizes
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Metric designators and trade sizes for conduit, tubing, and associated fittings and accessories shall be as designated in Table 300.1(C).
Table 300.1(C) Metric Designators and Trade Sizes
Metric Designator | Trade Size |
---|---|
12 | 3/8 |
16 | 1/2 |
21 | 3/4 |
27 | 1 |
35 | 11/4 |
41 | 11/2 |
53 | 2 |
63 | 21/2 |
78 | 3 |
91 | 31/2 |
103 | 4 |
129 | 5 |
155 | 6 |
Note: The metric designators and trade sizes are for identification purposes only and are not actual dimensions. |
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