What is a Class 1 Division 2 hazardous area?

Class I, Division 2 Location. Volatile flammable liquids or flammable gases or vapors exist, but are normally confined within closed containers; Ignitable concentrations of gases, vapors or liquids are normally prevented by positive mechanical ventilation; or.

What is a Class 1 Division 2 location OSHA?

Note to the definition of “Class I, Division 2:” This classification usually includes locations where volatile flammable liquids or flammable gases or vapors are used, but which would become hazardous only in case of an accident or of some unusual operating condition.

What rating is explosion proof?

For “Explosion-Proof” protection, it’s recommended to use NEMA 7 rated equipment as it is truly resistant. All other ratings will be suitable for other purposing and hazardous area classifications aside from Ex-resistance.

What is a Class 1 hazard classification?

Class I Locations A “Class I Location” is created by the presence of flammable gases or vapors in the air in sufficient quantities to be explosive or ignitable. When these materials are found in the atmosphere, a potential for explosion exists if an electrical or other source of ignition is present.

When determining a Class 1 Division 2 where is the location?

Class I locations are those in which flammable vapors and gases may be present. Class II locations are those in which combustible dust may be found. Class III locations are those which are hazardous because of the presence of easily ignitable fibers or flyings.

What is a Class 2 explosive?

Hazard Class 2 – Gases Flammable gases (2.1) burn readily in air and are in a gaseous state at 68°F (e.g., propane and spray paints). Non-flammable gases (2.2) may include liquified gases or cryogenic liquids (e.g., helium and asthma inhalers).

Is intrinsically safe the same as explosion proof?

Intrinsically safe is an explosion protection technique that ensures that the electrical circuit and its wiring is engineered in such a way that it is not capable of releasing enough energy, or producing a high enough temperature under any condition and thus is not able to cause an ignition of itself or the surrounding …

What is a NEMA 4X rating?

The NEMA 4X definition, as established by the National Electrical Manufacturers Association, is a rating for an outdoor electrical enclosure that has the following protective qualities: Includes a gasket designed to protect against liquid and solid ingress. Suitable for indoor or outdoor use. Resistant to corrosion.

What is a Division 1.1 explosive?

Division 1.1 consists of explosives that have a mass explosion hazard. Examples are black powder, nitroglycerine (desensitized), dynamite, most types of torpedoes, and mercury fulminate. Division 1.2 consists of explosives that have a projection hazard but not a mass explosion hazard.