Published March 2026 • Installation Practices • 4 min read

Galvanic Isolators for Data and I/O in Ex Areas

Manufacturers and integrators working in explosive atmospheres must align design, testing, and documentation with the applicable IEC 60079 series and local adoption rules.

This article highlights considerations for Galvanic Isolators for Data and I/O in Ex Areas under installation practices themes. It is educational and not a substitute for project-specific standards, certificates, or AHJ rulings.

Technical context

Wireless, Ethernet-APL, and battery-powered devices need the same EPL and protection concept discipline as conventional fixed installations.

Functional safety (SIL) layers may coexist with Ex equipment; independence and failure modes must be documented for both process safety and electrical protection.

Grounding, bonding, and static control keep touchable metalwork and raceways at equipotential levels compatible with flameproof and increased safety concepts.

Applying this to installation practices

Map your equipment EPL and type of protection to the classified area, then verify installation conditions of use, cable entries, grounding, and maintenance intervals. Keep declarations and certificates version-controlled.

Site reminder: Always retain the manufacturer’s instructions and the certificate conditions with the asset register. HazloLabs can review markings and documentation packages for multi-standard launches.

For DHA support, EMC planning, or equipment design aligned to IEC 60079, reach out to HazloLabs for a structured review.