Warning sign with high-voltage icon and the text: "Danger. Isolate main supply before opening" on yellow background.

Danger: Isolate Main Supply Before Opening Warning Sign

This “Danger. Isolate main supply before opening” warning sign features a yellow rectangle with bold black text and a high-voltage lightning bolt icon above a triangular warning symbol. The design ensures high visibility and effective hazard communication.

Constructed from durable, weather-resistant materials, it is suitable for outdoor and indoor environments. Ideal for electrical panels, switchgear, or main supply areas.

The sturdy construction ensures long-lasting visibility and safety compliance.

Available in range of sizes (mm): 400 x 300, 600 x 450, 800 x 600.

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A yellow background with bold black text stating: “Danger. Isolate main supply before opening” with a high-voltage warning icon.

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