ATEX Light Fittings: 7 Practical Selection Checks

Reviewed by the Daly Middle East technical team — application engineers specialising in ATEX/IECEx hazardous-area lighting and instrumentation.

Choosing ATEX light fittings involves more than matching a wattage. The fitting must suit the classified atmosphere, operating temperature, mounting arrangement, required light distribution and the maintenance plan for the site.

A fixed linear fitting, floodlight, high bay, bulkhead, emergency fitting and portable lamp are not interchangeable. Their bodies, optics, cable entries and heat paths are designed for different tasks and installation conditions.

This guide gives project teams a structured way to compare ATEX light fittings before they request a quotation from Daly Middle East. This atex light fittings guide keeps the selection process focused on documented application requirements.

ATEX light fittings: Match the fitting to the area

Record the zone, gas or dust group, temperature class, ambient range and ingress-protection requirement. The certificate and product marking should match the complete installation, including the intended accessories and cable glands.

If the fitting is installed outdoors or offshore, include salt, humidity, UV exposure, wind, vibration and corrosion. A certification label alone does not describe the complete environmental duty.

  • Hazardous-area classification
  • Gas or dust group
  • Temperature class and ambient range
  • Ingress protection and corrosion resistance
  • Mounting height and bracket arrangement
  • Cable entry and termination

Choose the optical and mechanical format

Linear fittings work well for corridors, platforms and long process areas. Floodlights can cover open zones or equipment faces. High bays suit taller spaces, while compact bulkheads fit access points and local task areas.

Ask for photometric data or a lighting calculation where the result affects safe movement, inspection or production. Compare the useful light on the task plane rather than relying on a lamp’s headline lumen number.

Installation and maintenance

The installation instructions form part of the safety case. Follow the specified glands, blanking elements, torque values, cable preparation and earthing method. Do not drill or modify an Ex enclosure unless the manufacturer’s documentation explicitly permits it.

Plan access for inspection and cleaning. In dusty or marine environments, optical surfaces and cooling paths may need more frequent attention than the nominal maintenance interval suggests.

Useful Daly links

Start with Daly’s ATEX zones and certification guide, then compare the hazardous-area lighting range.

For drawings, certificates or project support, use the Daly Middle East contact page.

Frequently asked questions

What are ATEX light fittings?

They are light fixtures designed and certified for use in specified potentially explosive atmospheres.

Can I install any gland with an ATEX fitting?

No. Use glands and accessories compatible with the certification and installation instructions.

Do I need a lighting calculation?

A calculation is recommended when mounting height, task visibility, escape routes or glare are important to the project.

Further reading


Need help choosing the right equipment for your project? Contact Daly Middle East with your application details, required certification and delivery location.