How to Choose Explosion-Proof Lighting for Zone 1
Marking first, light level second. How to size luminaires by lux target instead of old wattage, match the beam to the mounting height, and specify for corrosion.
How to Verify an Explosion-Proof Certificate
A ten-minute routine that prevents most disputes: match the model, read the conditions of use, and confirm the certificate in the public register.
ATEX vs IECEx vs Class/Division: Which Do You Need?
ATEX, IECEx and the North American Class/Division system describe the same physics but are not interchangeable paperwork. The installation country decides.
Hazardous Area Classification: Zones, Groups and T-Classes
Zone, gas group and temperature class are derived — not chosen. Here is how the three blocks are set, and the six lines a supplier needs to quote compliant equipment.
Ex d vs Ex e vs Ex i: Which Protection Type Do You Need?
Flameproof, increased safety and intrinsic safety are three different answers to the same question. One fact about the device decides which one applies.
How to Read an Ex Marking: Ex d IIB T4 Gb Decoded
Read any Ex nameplate left to right: protection concept, gas group, temperature class, equipment protection level — and the ambient range that quietly limits where it may be installed.
