4" Round Tapered Aluminum (NRTA4)

4" Round Tapered Aluminum (NRTA4)

 

Hand hole ring mounting height is 18” to centre and comes with (3”x5”) hand hole cover. Maximum Height is 20ft. Wind speeds (mph) in the table denote the maximum wind gust speed at the project site (i.e. gust factor included). Maximum EPA rating includes fixture(s) and supporting arm(s) and is for standard pole installation on concrete bases/footings. Pole designs based on AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals. Specific information and details may be subject to change without notice.  Contact Sales Team for custom sizes and/or applications. Specific information and details may be subject to change without notice. Please see Warranty and Terms & Conditions.

Catalogue 
Number

Pole
Height
(ft)

Bottom
Diameter
(in)

Top
Diameter
(in)

Pole
Type

Anchor Bolt
Diameter (in)

Maximum EPA (sq.ft.)

100MPH

110MPH

130MPH

150MPH

NRTA410MD

10

4

3

MD

1

10.5

8.5

5.5

4.0

NRTA410HD

10

4

3

HD

1

14.0

11.5

7.5

5.5

NRTA415MD

15

4

3

MD

1

4.5

3.5

2.0

1.0

NRTA415HD

15

4

3

HD

1

6.5

5.0

3.0

2.0

NRTA420MD

20

4

3

MD

1

2.0

1.0

N/A

N/A

NRTA420HD

20

4

3

HD

1

3.5

2.5

1.0

N/A

 

Pole Type Wall Thickness: XLD = 0.125", LD = 0.156", MD = 0.188", HD = 0.25"

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