This Machine Must Be Locked Out Before Work Is Carried Out Sign

The This Machine Must Be Locked Out Before Work Is Carried Out Sign is a vital safety instruction for any environment where machinery servicing or maintenance takes place. It reminds all personnel that the machine must be properly isolated and locked out before any work begins. This reduces the risk of accidental start-up, serious injury, or equipment damage, and reinforces strict compliance with lockout/tagout (LOTO) procedures.

This sign is commonly displayed in factories, workshops, warehouses, and industrial sites where routine maintenance is carried out on electrical or mechanical equipment. The This Machine Must Be Locked Out Before Work Is Carried Out Sign clearly communicates that no exceptions are to be made when it comes to isolating machinery. It is especially useful when placed directly on machines, near isolation switches, or at control panels.

Available Sizes

200 x 150mm
400 x 300mm
600 x 450mm

Material Options

Vinyl Sticker – Easy to apply on clean, smooth machinery surfaces
Correx Board – Lightweight and ideal for temporary applications
Foam Board – Strong and suitable for indoor mounting
Rigid Plastic – Waterproof and robust for daily use
Aluminium Board – Weather-resistant and long-lasting for outdoor installation

Additional Benefits
All signs are dispatched within two working days. Orders over £25 receive free UK delivery. The This Machine Must Be Locked Out Before Work Is Carried Out Sign helps protect workers, reduce risk, and maintain legal compliance across your site.

SKU: LOCK0024