Warning sign with the text "Do not open while in operation"
This sign is available in aluminium, plastic, and sticker materials.
Choose from different sizes to meet various needs. If you want screw holes or double-sided adhesive Tape, you can easily select this option.
For pole mounting, choose "Fixing method: Pole brackets." Pole brackets and other mounting accessories can be found further down the page.
Delivery time: Ships within two business days
This warning sign is essential for ensuring safety in environments where machinery or equipment is in use. Ideal for placement on or near operational machinery, it serves as a crucial reminder to prevent unauthorized access or accidental openings during operation. Perfect for factories, workshops, and industrial settings, this sign helps maintain a secure and hazard-free workspace. Its clear message effectively communicates the importance of caution and adherence to safety protocols.
We accept all major payment methods. Pay easily with credit card, Apple Pay, Google Pay, PayPal or Klarna. Businesses can pay by business invoice. Your payment is processed securely using industry-standard encryption.
Aluminum
Extremely impact-resistant and durable material with a long lifespan.
Plastic
Affordable and stable material.
Sticker
Durable material. Perfect for application on flat and clean surfaces.
Can't find what you're looking for? Create your own warning sign with custom text and your choice of symbol.
Create Your Own Warning Sign
At SignOnline, you’ll find the widest range of standard signs and custom-designed solutions on the market. Our vision is simple: to make it easy and affordable to order high-quality signs. All our production is carried out using the latest technology, ensuring fast deliveries and results we’re proud of. Watch our video to learn more about how we can help you!
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