Warning Safety Sign – ‘POWER SUPPLY HAS BEEN LOCKED-OFF FOR YOUR PROTECTION’ – Vinyl, 2 mm Rigid Plastic or 3 mm Aluminium Composite – Single or Pack of 5 – Mix-and-Match Discount

Ideal Locations

  • Electrical distribution boards & MCC panels locked out for maintenance

  • Temporary power pillars on construction sites taken offline

  • Generator switchgear during isolation checks

  • CNC machines, presses & conveyor drives with padlocked isolators

  • Laboratory test benches and R&D rigs pending sign-off

  • Training rooms & toolbox-talk boards teaching safe isolation procedures

Choose from three material options—each available in multiple sizes—to meet your specific requirements:

  1. Plastic (High-Impact Polystyrene)
    • Thickness:  2mm
    • 5-Year Outdoor Guarantee for durability and compliance
    • Lightweight yet sturdy - Car parks, pillars, temporary fencing   
  2. Vinyl (Self-Adhesive White Vinyl)
    • Indoor/Outdoor Use: 4 years indoors, 1 year outdoors
    • Flexible easy to apply on most smooth surfaces  - Indoor walls, glass panels, painted doors
  3. Aluminium Composite
    • 7-Year Outdoor Guarantee
    • Lightweight and rust-free for long-lasting performance
    • Premium & vandal resistant -  mounting on exterior walls or posts

    All signs are Made in Britain with quality printing for clear, visible safety messaging. Standard sizes include 

    297 mm x 210 mm; 420 mm x 297 mm; 600 mm x 450 mm; 800 mm x 600 mm

    Have any questions or need a custom size? Contact us for more information—we’re here to help!

    Quick Ship, Bulk Order Discounts available, Mix and Match,  Custom Printed in the UK

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    Need Other Safety Signs?

    Look through our full range of lock-out/tag-out, PPE, hazard and parking signage—mix any designs in one basket to save automatically!