Overview
ISO 20381:2009 - Mobile elevating work platforms (MEWP): Symbols for operator controls and other displays defines general graphic symbols intended for use on operator controls and displays of MEWPs. Published as the first edition on 2009-07-15, the standard provides internationally harmonized visual language to improve clarity and reduce misinterpretation of control functions and status indications on MEWP control panels and operator interfaces. The published electronic file includes colour illustrations and notes that colours are useful for correct understanding.
Key topics and requirements
- General graphic symbols for operator controls and other displays specific to MEWPs (pictograms for functions, indicators and status).
- Consistency and harmonization: promotes a common set of symbols to be used across manufacturers and models to reduce user confusion.
- Presentation guidance: the document contains graphical representations (including colour versions) that support accurate reproduction on control panels, decals and displays. The PDF notes that colour printing is recommended where colours affect comprehension.
- Application context: symbols are intended for operator controls, visual indicators and other display media found on MEWPs (e.g., control consoles, remote controls, instruction plates).
- Reproduction considerations: guidance on delivering clear, printable symbol files and maintaining integrity when producing decals or printed documentation (the ISO files are provided in a structured electronic format).
Applications and who uses it
ISO 20381:2009 is useful for:
- MEWP manufacturers specifying control panels, labels and operator interfaces.
- Design engineers and UX specialists responsible for human–machine interface (HMI) design on aerial platforms.
- Safety managers and fleet operators standardizing equipment markings to improve operator training and reduce incidents.
- Technical writers and documentation teams creating operator manuals, quick-reference labels and maintenance guides.
- Regulators and inspectors referencing harmonized symbols for conformity checks and safety audits.
Practical benefits include clearer operator controls, reduced training time, fewer operational errors, and improved international interoperability of MEWP equipment.
Related standards
ISO 20381 complements other international standards addressing MEWP design, safety and operator instructions. When implementing control symbols, organizations typically align symbol use with applicable MEWP safety and documentation standards to ensure comprehensive compliance.
Keywords: ISO 20381, mobile elevating work platforms, MEWP, operator controls symbols, graphic symbols, control panel labels, operator displays, safety signage.
Open preview (PDF)Mobile elevating work platforms — Symbols for operator controls and other displays
