RECOMMENDED PROTECTION METHODS FOR ZONE 2
Motors- Ex d, Ex p, Ex n, Ex e,
Transformers & Capacitors - Ex d, Ex p (auxiliary devices to be located in pressurized room/hermetically sealed / intrinsically safe)
Control & Instrument Transformers - Ex i
Lighting Fitting - Ex d, Ex e, Ex n
Switch Gear & Control Gear - Ex d, Ex o, Ex
Communication/ Telephone equipment/Meters - Ex i
Portable Hand Lamps- Ex i
* Minimum IP 55 (for UN-insulated parts) and IP 44 (for insulated parts) if Ex e protection is used for outdoor applications