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Marking Flags

Mark buried cables and lines to communicate to workers where it may be dangerous to dig. These color-coded vinyl flags are durable and can be printed with your company's information and branding.

  • Standard Flag Material: 4 mil vinyl
  • Standard colors: red, orange, yellow, green, blue, white
  • Preprinted, blank, or custom
  • Packaging: 1,000 flags per case
  • Choose from 18", 21", 24", 30" and 36" 15.5 gauge steel wire metal staff
  • Also available with plastic staffs
  • Ask us about our Flag Carrier Probe for easier and more efficient flag installation!
Generic Utility Marking Flags
Part No. Staff Color Legend
FL-FOC-21W 21” WIRE STAFF Orange Fiber Optic Cable
FL-ELEC-21W 21” WIRE STAFF Red Electric Cable
FL-NATGAS-21W 21” WIRE STAFF Yellow Natural Gas Pipeline
FL-PET-21W 21” WIRE STAFF Yellow Petroleum Pipeline
FL-WTF-21W 21” WIRE STAFF Blue Water
FL-SWR-21W 21” WIRE STAFF Green Sewer
FL-RECWTR-21W 21” WIRE STAFF Purple Reclaimed Water
FL-IRR-21W 21” WIRE STAFF Orange Irrigation
Custom Print flags will have a unique part number applied.
Additional Staff Sizes and Materials:
15” Wire (use part number suffix 15W)
18” Wire (use part number suffix 18W)
18” Fiberglass (use part number suffix 18FG)
21” Wire (use part number suffice 21W)
24” Wire (use part number suffix 24W)
24” PVC (use part number suffix 24P)
30” Wire (use part number suffix 30W)
36” Wire (use part number suffix 36W)
Blank Marking Flags
Part No. Staff Color
UFL21WORG 21” WIRE STAFF Orange
UFL21WRED 21” WIRE STAFF Red
UFL21WYEL 21” WIRE STAFF Yellow
UFL21WBLU 21” WIRE STAFF Blue
UFL21WGRN 21” WIRE STAFF Green
UFL21WPUR 21” WIRE STAFF Purple
UFL21WWHT 21” WIRE STAFF White
Additional Staff Sizes and Materials: 15” Wire, 18” Wire, 18” Fiberglass, 21” Wire, 24” Wire, 24” PVC, 30” Wire, 36” Wire
Part No. Description
ACP-30CP Flag Carrier Probe (Insertion Tool)