Ensure electrical safety with this Do Not Switch On Sign, designed to alert personnel that maintenance or repair work is in progress. Featuring the clear dual-message "Men At Work" and "Do Not Switch On", this landscape-format sign is ideal for workplaces where equipment isolation is essential. Commonly used in factories, workshops, and industrial sites, it helps reduce the risk of electric shock or equipment damage. Manufactured in the UK from durable materials suitable for indoor or outdoor use, this sign supports compliance with Health and Safety at Work Act regulations. The bold red and black design grabs attention instantly, making it an effective addition to your electrical safety signage. Available in various sizes and backing options, it’s built to last and easy to install.