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Danger Isolate Main Supply Before Opening Safety Sign
Warns personnel to isolate the main electrical supply before opening equipment to prevent electric shock or injury
• Ensures electrical systems are safely isolated before access
• Ideal for plant rooms, electrical cabinets, maintenance areas, and industrial sites
• High-contrast yellow and black design for maximum visibility
• Available in durable materials suitable for long-term use
• Helps reduce risk of electrical accidents during servicing or inspection
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Product Overview
This danger sign clearly instructs individuals to isolate the main electrical supply before opening equipment, helping to prevent serious injury or electric shock. Featuring a bold warning triangle with a lightning symbol and clear text, it is designed to communicate essential safety instructions in environments where electrical hazards are present.
Where to Use
- Electrical control panels
- Plant and boiler rooms
- Maintenance and service areas
- Industrial and commercial facilities
- Workshops and engineering environments
Key Features
- Clear "Danger" header with electrical hazard symbol
- Direct instruction to isolate main supply before opening
- High-visibility yellow and black colour scheme
- Easy-to-read text for quick understanding
- Supports safer maintenance and operational procedures
Materials & Options
- Rigid Plastic (1mm)
- Rigid Plastic (2mm)
- Self Adhesive Vinyl
Compliance
This sign supports compliance with UK health and safety regulations, including:
- Health and Safety at Work etc. Act 1974
- Safety Signs and Signals Regulations 1996
Frequently Asked Questions
Where should this sign be installed?
This sign should be installed directly on or near electrical panels, enclosures, or equipment that require isolation before access.
Is this sign suitable for outdoor use?
Yes, when produced in appropriate materials such as rigid plastic, it is suitable for both indoor and outdoor environments.
What does this sign indicate?
It indicates a serious electrical hazard and instructs users to disconnect the main power supply before opening equipment.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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