Wood Poles by Class
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Wood Poles By Class
Class 1
- Circumference at Top: 42 inches
- Circumference at 6 Feet from Butt: 27.5 inches
- Strength: Highest load-bearing capacity
- Common Uses: High-voltage power lines, critical infrastructure
- Typical Length: 40 to 90 feet
Class 2
- Circumference at Top: 37.5 inches
- Circumference at 6 Feet from Butt: 25.5 inches
- Strength: Very high load-bearing capacity
- Common Uses: Major distribution lines, street lighting
- Typical Length: 35 to 90 feet
Class 3
- Circumference at Top: 33 inches
- Circumference at 6 Feet from Butt: 23.5 inches
- Strength: High load-bearing capacity
- Common Uses: General distribution lines, medium-duty applications
- Typical Length: 30 to 80 feet
Class 4
- Circumference at Top: 28.5 inches
- Circumference at 6 Feet from Butt: 21.5 inches
- Strength: Good load-bearing capacity
- Common Uses: Standard utility poles, telecommunications
- Typical Length: 25 to 75 feet
Class 5
- Circumference at Top: 24 inches
- Circumference at 6 Feet from Butt: 19.5 inches
- Strength: Moderate load-bearing capacity
- Common Uses: Light-duty distribution lines, secondary power lines
- Typical Length: 25 to 65 feet
Class 6
- Circumference at Top: 19.5 inches
- Circumference at 6 Feet from Butt: 17.5 inches
- Strength: Lower load-bearing capacity
- Common Uses: Service poles, light-duty applications
- Typical Length: 20 to 60 feet
Class 7
- Circumference at Top: 15 inches
- Circumference at 6 Feet from Butt: 15.5 inches
- Strength: Lowest load-bearing capacity
- Common Uses: Minimal structural requirements, temporary structures