Class 1 Div 2

Also known as non hazardous or ordinary locations these locations are determined to be neither class i division 1 or division 2.

Class 1 div 2. Exception 2 to sec. Div 1 2. Zone 0 zone 1 or zone 2. Can i use a piece of equipment approved for use in a division 1 hazardous location in a division 2 hazardous location.

Division probability of hazardous material. Or any combination thereof. Class ii group e f or g hazardous locations indoor. Ip67 nema 1 3 4 6 13.

For definitions of these locations see 1926 449. 1 the power supply or class 1 circuit conductors are in a metal enclosed cable or type uf cable. All applicable requirements in this subpart apply to all hazardous classified locations unless modified by provisions of this section. Requirements of mine safety and health administration.

Such areas include a residence or office where the only risk of a release of explosive or flammable gas would be such things as the propellant in an aerosol spray. If equipment has been approved for use in a division 1 hazardous location it can be used in a division 2 hazardous location providing it is in the same class and group. Class i division 1 class i division 2 class ii division 1 class ii division 2 class iii division 1 class iii division 2. Enclosures constructed for indoor use in hazardous locations classified as class ii division 1 groups e f or g as defined in nfpa 70.

The substance referred to by class has a high probability of producing an explosive or ignitable mixture due to it being present continuously intermittently or periodically or from the equipment itself under normal operating conditions. Division 1 is a subset of class ii and is classified as an area where the explosive or flammable combustible dusts mentioned above can exist under normal everyday operating conditions. 725 26 b allows mixing for underground conductors in a manhole if you comply with all of the following conditions.