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Original Version
Rule 49.2-A
| 49.2-A | Material | |
| (1) | Wood: Wood crossarm shall be of suitable grades of Douglas fir, Southern Yellow pine or other accepted species. | |
| (2) | Metal: Metal crossarms shall be of structural steel, cast steel, or malleable cast iron, properly galvanized or otherwise protected to resist corrosion, or may be of any corrosion–resisting metal or alloy. | |
| (3) | Prestressed Concrete: Prestressed concrete crossarms may be used provided they are designed in accordance with Rule 48.3–B. | |
| (4) | Other Material: Other materials may be used for crossarms provided they comply with Rule 48.4 | |
Strikeout and Underline Version
Rule 49.2-A
| 49.2-A | Material (See Rule 48) | |
| (1) | Wood crossarm shall be of suitable grades of Douglas fir, Southern Yellow pine or other accepted species. | |
| (2) | Metal: Metal crossarms shall be of structural steel, cast steel, or malleable cast iron, properly galvanized or otherwise protected to resistby a corrosion, resistant treatment or may be composed of any material which is corrosion resistant. –resisting metal or alloy. | |
| (3) | Prestressed Concrete: Prestressed concrete crossarms may be used provided they are designed in accordance with Rule 48.3–B. | |
| (4) | Other Material: Other materials may be used for crossarms provided they comply with Rule 48.4 | |
Final Version
Rule 49.2-A
| 49.2-A | Material (See Rule 48) |
| Metal crossarms shall be protected by a corrosion resistant treatment or composed of material which is corrosion resistant. |