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Underground Warning Markers

Underground warning tapes and markers identify utility and electrical lines, pipes, and more to make them noticeable to surveyors and utility workers, and to help prevent accidents from digging in areas with hidden hazards.

32 Products

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  1. Electrical Line Underground Warning Tape

    Electrical line underground warning tapes stop damage to buried utility lines.
    Starting at $41.19

    Roll of 1000 Feet

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  2. Location Flags

    Location flags allow you to quickly and easily identify utility lines or pipes.
    Starting at $31.29

    Pack of 100 Each

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  3.  

    Custom Location Flags

    Custom location flags clearly label utility lines or pipes.
    $159.50

    Pack of 1000 Each

    Customize

  4. Marking Whiskers

    Marking whiskers are easily identifiable and practically indestructable.
    $5.99

    Pack of 25 Each

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  5. High Voltage Warning Tape

    High voltage underground warning tapes stop damage to buried electrical lines.
    $41.19

    Roll of 500 Feet

    View

  6. Gas Line Underground Warning Tape

    Gas line underground warning tapes stop damage to buried gas lines.
    Starting at $41.19

    Roll of 500 Feet

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  7. Pipeline Underground Warning Tape

    Pipeline underground warning tapes stop damage to buried pipelines.
    Starting at $41.19

    Roll of 500 Feet

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  8. Utility Line Underground Warning Tape

    Utility line underground warning tapes stop damage to buried utility lines.
    Starting at $41.19

    Roll of 500 Feet

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  9. Telephone Line Underground Warning Tape

    Telephone line underground warning tapes stop damage to buried telephone lines.
    Starting at $41.19

    Roll of 500 Feet

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  10. Underground Warning Tape - Caution Buried Water Line Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  11. Underground Warning Tape - Caution Buried Pipeline Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  12. Detectable Underground Warning Tape - Caution Buried Pipeline Below

    Alert excavators of buried utility lines with Detectable Underground Warning Tape
    Starting at $182.20

    Roll of 1000 Feet

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  13. Underground Warning Tape - Caution Buried Sewer Line Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  14. Underground Warning Tape - Caution Buried Gas Line Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  15. Underground Warning Tape - Caution Buried Fiber Optic Cable Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  16. Sewer Line Underground Warning Tape

    Sewer line underground warning tapes stop damage to sewer lines below ground.
    Starting at $41.19

    Roll of 500 Feet

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  17. Underground Warning Tape - Caution Buried Cable Line Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  18. Detectable Underground Warning Tape - Caution Buried Cable Line Below

    Alert excavators of buried utility lines with Detectable Underground Warning Tape
    Starting at $182.20

    Roll of 1000 Feet

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  19. Underground Warning Tape - Caution Buried Fuel Line Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

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  20. Detectable Underground Warning Tape - Caution Buried Communication Line Below

    Alert excavators of buried utility lines with Detectable Underground Warning Tape
    Starting at $182.20

    Roll of 1000 Feet

    View Options

  21. Underground Warning Tape - Caution Buried Communication Line Below

    Alert excavators of buried utility lines with Underground Warning Tape
    Starting at $72.00

    Roll of 1000 Feet

    View Options

32 Products

List Grid

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Underground warning tapes are made from durable, 4-mil thick polyethylene or aluminum (which can be located with a metal detector) and should be buried about 1 ft below the surface, above the underground line. The printed message repeats every 30.

Marking whiskers use APWA utility-code colors for easy recognition and can't be covered up with blowing dust or dirt. They're durable enough to spring back into position if run over by lawn mowers, graders, or heavy equipment. They can be installed with wooden stakes or 60-penny nails, and come in packages of 25 whiskers.

Location flags are made from 4-mil, fade resistant plastic and withstand ultraviolet rays. The flags are 4x5 and are attached to a 30, 15-gauge steel staff that will flex in the wind but not break. They come in solid colors and can be custom printed with your company's name or a message.