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The No Entry (Photo Luminescent) safety sign (E24) is a photoluminescent (glow-in-the-dark) prohibition sign used to clearly indicate an action or entry that is not permitted. The glow-in-the-dark background improves sign recognition in low light, night conditions, and emergency situations.
Purpose and function
This sign communicates a clear prohibition at the point of risk. It helps prevent unsafe behaviour, protects equipment and facilities, and supports site rules, safety procedures, and access control.
Typical applications
- Restricted access areas, controlled facilities, and site entry points
- Work areas where prohibited actions create fire, safety, or operational risk
- Public areas where clear behaviour control is required
- Low-light environments where standard signs may be harder to locate quickly
Selection and placement guidance
Position signs within the normal line of sight and at key decision points. For directional signs, maintain continuity along the route so each sign confirms the next action. Selection should consider the environment, viewing distance, and the role the sign plays within your broader emergency and safety system.
Visibility and photoluminescent performance
Photoluminescent signs absorb ambient light and then emit visible light in darkness, supporting legibility when power fails or visibility is reduced. For best results, ensure the sign is exposed to sufficient ambient lighting under normal operating conditions.
View the full range in our Photoluminescent safety signs collection.
Frame and material options
Photoluminescent signs can be supplied as signfaces only or fitted into aluminium frames. Single-sided and double-sided aluminium frames do not include chain, they are supplied with hooks only. Aluminium frames can be supplied in silver or black.
Chromadek is available on request, but it is not advisable for photoluminescent signage in outdoor applications. For best performance and service life, use materials and mounting options suited to the installation environment.
Frame products:
- Aluminium frames - Wall mounting (ALU001)
- Aluminium frames - Hanging frames (ALU002)
- Aluminium frames - Wall mount or hanging frames (ALU003)
Commonly used with
- SABS Smoking Prohibited photoluminescent (glow in the dark) safety sign (F27)
- SABS No fire or open flames photoluminescent (glow in the dark) safety sign (F26)
- SABS Water Prohibited As Extinguishing Agent photoluminescent (glow in the dark) safety sign (F25)
- SABS Exit (Green) photoluminescent safety sign. (E6A)
- SABS Exit (Red) photoluminescent safety sign (E6)
Standard sign alternative
If you do not require glow-in-the-dark performance, consider the standard version of this sign: No Entry SABS safety sign (PV6).
Compliance
This photoluminescent safety sign is manufactured in accordance with South African National Standards (SANS) requirements, including SANS 1186-5 for photoluminescent signs and SANS 1186-1:2022 for safety signs in South Africa. The design conventions align closely with ISO 7010 and ISO 3864-3 for standardised safety sign colours, shapes, and symbols.
Correct selection and placement should form part of your site safety planning and risk controls, ensuring signs remain visible and legible at the point where decisions are made.