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20 Foot Round Steel Light Pole | 4 Inch Diameter | Anchor Base
Out of stock
These high-strength steel poles are perfect for parking lot lighting. Our tenon and bullhorn adapters also allow multiple fixtures to be attached to a single pole.
Cory Peterson | Director of Sales and Marketing
Product Description
Key Features
- Total Height: 20 Feet
- Material: Steel
- Pole Weight: 117 lbs
- Pole Diameter: 4 Inches
- Pole Bolt Circle: 8 to 10 Inches
- Pole Finish: Hot Dip Galvanized and Powder Coated
- Pole Color: Bronze
- Pole Gauge: 11
- Bolt Projection: 2.75 in
- Pole Installation: Anchor Base
- Includes: Top Cap
- Warranty: 1 year
- EPA at 70 mph: 12.2
- EPA at 80 mph: 10.3
- EPA at 90 mph: 9
- EPA at 100 mph: 7.2
- EPA at 110 mph: 6
- EPA at 120 mph: 4.6
Disclaimer: LED Lighting Supply is not responsible for improper loading of light fixtures or other attachments, use, or foundation design of light poles. We are solely a supplier of lighting solutions, metal halide replacement lights and poles for parking lots. Final pole assembly is the responsibility of the purchaser. Dimensions and specifications of a round or square steel light pole are subject to change without notice. See the data sheet for current pole data charts. Custom sizing is only available for large order quantities. Pole caps are used in place of other mounting options when necessary.
Please be advised that our steel poles are covered solely by a 1 year workmanship warranty, which ensures that the poles are free from defects from the manufacturing process, such as welds and structural integrity, for a period of one year from the date of purchase. This warranty does not cover damage resulting from external factors, misuse, or normal wear and tear.
Web ID: 1917
Product Overview
This 20-foot round steel light pole is built with 11-gauge steel and a 4-inch diameter shaft. The pole arrives with a hot dip galvanized finish followed by a bronze powder coat, providing a layered protective system against corrosion and weathering.
Total pole weight is 117 pounds. The anchor base mounting design uses a bolt circle ranging from 8 to 10 inches, with anchor bolts projecting 2.75 inches above the foundation surface. A top cap is included with the pole.
Where This Product Fits Best
This pole height and diameter are appropriate for parking lots, walkways, building perimeters, and other outdoor areas where moderate mounting height is required. The 20-foot total height positions fixtures at a level commonly used for general area lighting in commercial and light industrial properties.
The bronze powder coat finish suits applications where color coordination with architectural elements or site aesthetics is a factor. Facilities with existing bronze-finished poles or building hardware will find this pole visually consistent with surrounding infrastructure.
Performance and Functional Considerations
EPA ratings define the maximum effective projected area of fixtures and arms the pole can support at various wind speeds. This pole is rated for 12.2 square feet of EPA at 70 mph, scaling down to 4.6 square feet at 120 mph. These values determine what combination of fixtures, arms, and banners the pole can carry without exceeding structural limits at the design wind speed for your location.
The 11-gauge steel wall thickness and 4-inch diameter provide the structural capacity reflected in these EPA ratings. When selecting fixtures and mounting arms, the combined EPA of all attached components must remain within the rated value for the wind speed applicable to your site.
Installation and Long-Term Use
The anchor base design requires a concrete foundation with embedded anchor bolts positioned to match the 8 to 10-inch bolt circle. Anchor bolts must project 2.75 inches above the finished concrete surface to allow proper engagement with the base plate.
Hot dip galvanizing applied before powder coating protects the steel substrate from moisture and salt exposure. The bronze powder coat adds UV resistance and color consistency. Periodic inspection of the base plate connection and finish condition is standard practice for poles in exposed outdoor environments.
How This Fixture Is Commonly Used
Facilities typically mount area lights, flood lights, or shoebox-style fixtures to this pole using compatible tenon-mount arms or direct-mount brackets. The 4-inch diameter shaft accepts standard tenon adapters designed for that size.
At 117 pounds, the pole can be handled with standard lifting equipment or a two-person crew depending on site access and rigging setup. The anchor base installation method is common in new construction and retrofit projects where a poured foundation is feasible.
Safety, Certifications, and Warranty
This pole is covered by a 1-year warranty.
The hot dip galvanized and powder coated finish system is designed to resist corrosion in outdoor installations. Structural performance is defined by the EPA ratings provided, which should be matched against local wind speed requirements and the total EPA of mounted equipment.
Frequently Asked Questions
What is the bolt circle for the anchor base?
The bolt circle ranges from 8 to 10 inches. Anchor bolt projection above the foundation surface should be 2.75 inches.
What finish is applied to this pole?
The pole receives hot dip galvanizing followed by a bronze powder coat.
What is the EPA rating at 90 mph wind speed?
The pole supports a maximum of 9 square feet of effective projected area at 90 mph.
Is a top cap included?
Yes, a top cap is included with the pole.
What is the warranty coverage?
This pole includes a 1-year warranty.
Application Questions and Clarification
This product description reflects the provided specifications, ratings, and configuration options. For questions related to site-specific conditions, electrical compatibility, control integration, or application requirements not addressed in the provided data, our team is available to provide clarification.
