ISO 7010 · E-series · Safe condition
E004 Emergency telephone
A telephone to call for help in an emergency. The red F006 sign is a different phone: the one for reporting a fire.
- ISO 7010 reference
- E004
- Registered title
Emergency telephone
ISO Online Browsing Platform, ISO 7010 - E004, Emergency telephone, reference number and registered title- Colour and shape
- Green square or rectangle, white symbol: Safe condition: emergency exits, first aid, safety equipment
What the green square or rectangle means
In HSE’s guidance on the UK Safety Signs and Signals Regulations 1996, a safe condition sign has a rectangular or square shape
Health and Safety Executive (HSE), L64 Safety signs and signals: The Health and Safety (Safety Signs and Signals) Regulations 1996. Guidance on Regulations (third edition), Part 2, emergency escape or first-aid signs, intrinsic features (a), page 17 and a white pictogram on a green background (the green part to take up at least 50% of the area of the sign)
Health and Safety Executive (HSE), L64 Safety signs and signals: The Health and Safety (Safety Signs and Signals) Regulations 1996. Guidance on Regulations (third edition), Part 2, emergency escape or first-aid signs, intrinsic features (b), page 17
Its colour stands for: Emergency escape
, No danger
, Doors; exits; escape routes; equipment and facilities
, Return to normal
Health and Safety Executive (HSE), L64 Safety signs and signals: The Health and Safety (Safety Signs and Signals) Regulations 1996. Guidance on Regulations (third edition), Table 1, green, meaning or purpose (page 12)
In the UK: HSE L64
Emergency telephone for first aid or escape
Health and Safety Executive (HSE), L64 Safety signs and signals: The Health and Safety (Safety Signs and Signals) Regulations 1996. Guidance on Regulations (third edition), name under the first-aid sign examples from BS EN ISO 7010, page 18
In the US: OSHA
No OSHA general-industry rule we read names this sign or its subject. US signs follow OSHA 1910.145 and ANSI Z535; how the US sign classes work.
Signs people confuse with it, or find beside it
Other safe condition signs
Sources
ISO 7010 is a paid standard. Its OBP entries are free to view, but they are a script-driven app, so the title and reference number above are copied from the entry's own heading as it lists them (read 2026-09-29), not from the paid text. Other lines in quotation marks are HSE’s or OSHA’s words.
- Health and Safety Executive (HSE): L64 Safety signs and signals: The Health and Safety (Safety Signs and Signals) Regulations 1996. Guidance on Regulations (third edition) (published 2015). Used here: name under the first-aid sign examples from BS EN ISO 7010, page 18; Part 2, emergency escape or first-aid signs, intrinsic features (a), page 17; Part 2, emergency escape or first-aid signs, intrinsic features (b), page 17; Table 1, green, meaning or purpose (page 12); Table 1, green, instruction and information (page 12). www.hse.gov.uk Checked 2026-09-29.
- ISO Online Browsing Platform: ISO 7010 - E004, Emergency telephone (registered safety sign entry). Used here: reference number and registered title. www.iso.org Checked 2026-09-29.