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Portable Warning Sign

Waterproof, Abrasion Resistant, Harsh Environment, Safety

  • Currently 5/5 Stars.
Portable Warning Sign picture
Portable Warning Sign small Portable Warning Sign small

Portable Warning Signs

  • Lightweight and easily portable
  • Quick attachment via straps to cones or poles
  • Bilingual with descriptive warning symbols
  • ANSI, NEMA and OSHA compliant designs and colors available

Portable warning signs enable utility companies to alert people to stay away from hazardous situations such as downed power lines following a storm. Available in English or with one other language, the signs can include easily understood warning symbols in addition to a written message. Signs can be strategically placed around a work site by fastening them to orange safety cones, poles or other convenient objects using the attachment straps that thread through slots at the edge of the sign.

This sign can be printed using industry standard symbols, colors and headers or with your own symbols and messages to meet a specific need. At your request, we will conform with ANSI/NEMA guidelines. Whatever your portable sign needs, William Frick & Company can help you configure the best solution with the right message, graphics and materials.

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Outdoor Use, Critical Warning and Safety


Laminated Polyethylene

Size: 18 x 24 inches
Expected Outdoor Durability: 5 – 10 years
Features: English or bilingual, with standard or custom symbols
Thickness: 0.125 inches
Colors: UVI black and safety orange
Outdoor Wear: Rugged
UV Resistance: Good
Water Resistance: Good
Abrasion Resistance: Good

Custom, or with pre-approved layouts, headers and graphics to conform with ANSI/NEMA guidelines


Two high-performance straps with 6-inch tipped hook and loop ends

Shelf Life

Completely stable


Portable Warning Sign Design

Customer Reviews

5 Stars:
( 3 )
4 Stars:
( 0 )
3 Stars:
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1 Star:
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Average Customer Review
  • Currently value-of(rate)/5 Stars.
  • Currently 5/5 Stars.

Bilingual Sign for Emergency Warnings, April 04 2011

By: Tracy

William Frick provides our county with portable outdoor warnings signs printed in highly visible lettering in both English and Spanish. We use these lightweight signs for quick marking of storm hazards like trees down over roadways, deep water crossing roads and other potentially dangerous situations. Frick's warning signs are tough and durable, so we can use them for several years without replacing them.
  • Currently 5/5 Stars.

Portable Outdoor Warning Sign for Emergency Response, April 04 2011

By: Joel S

These warning signs are easy to attach with velcro straps to posts, cones or other fixed objects so the public can be warned of hazards in emergency situations. Portable and highly visible in low light or bad weather, these signs are an important early response to developing situations in an emergency, such as downed power lines or washed out bridges.
  • Currently 5/5 Stars.

Inspired by Utility Field Workers, August 17 2010

By: Barbara

The idea for a portable warning sign came from some utility workers after a bad storm that brought down power lines. They wanted a warning sign they could deploy quickly where needed.

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