• Permit to Work Must be Obtained

Mandatory Signs
Indicates a specific course of action to be followed or equipment to be used
Incorporates a white pictogram in a blue circle
Supplementary text is white on a blue background


Material Options Explained

Below is a more detailed description of the materials this particular safety sign is available in. Helping you decide which sign option is most suitable for your application.

1. Rigid Plastic: Lightweight, gloss white PVC with high impact strength. Suitable for both internal and external safety signs. Easily drilled for wall fixing.

2. Self-Adhesive Vinyl: A high gloss, flexible PVC vinyl with self-adhesive backing. Suitable for applying to most smooth, dry and clean surfaces. Ideally suited for internal signs.

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Permit to Work Must be Obtained Safety Sign / Product by Chelmsford Safety Signs in Essex


Available Options


Tags: 15403G, 15403M, 25403G, 25403M, Mandatory, Construction, Rigid, Plastic, SAV, Stickers, Label, Self, Adhesive, Vinyl