Power Line Markers

SpanMark
Low Line Warning Flags

SpanMark warning flags are a low cost solution for marking low hanging live lines. Made of durable vinyl material in bright orange, yellow, or red, each flag comes with a patented SnapFast Clamp for simple, sure installation by hand or hot stick. Available with reflector, symbol, or text options.

SpanMark Power Line Warning Flags SpanMark Reflective Power Line Marking Flag Opening the SnapFast Clamp SnapFast Install Photo

SpanMark Applications

SpanMark warning flags make it quick, easy, and affordable to mark low hanging hot lines near utility facilities, construction sites, or anywhere tall equipment or helicopters might strike a line.

Easy to Install on Hot or Cold Lines

Using a hot stick and SnapFast™ clamp installation tool (sold separately), SpanMark flags can be installed and removed from the ground or a bucket without interrupting power. Our patented and rugged SnapFast clamp prevents slippage on single or bundled cables, even in a Force 8 gale. 
Choose from two sizes of clamp: 10–70 mm (0.39–2.75 in.) or 4–16 mm (0.16 to 0.63 in.).

SnapFast Installation Tool Information & Ordering

Reflector, Text, or Symbol Options

SpanMark flags are 11.25″ x 10.75″ and made from a durable, flexible vinyl material in bright orange, yellow, or red. The flags can be blank, have reflective 3M tape in the center, or be printed with text or a symbol. Custom printing is available by special order.

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Starts at: $62.00

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