Class I vs Class II light fixtures

[snjeza]

Can somebody explain what's the difference between light fixture tested for Class I and light fixture tested for Class II application?

Thank you.

 

[benaround]

Re: Class I vs Class II light fixtures

A ClassI fixture will be able to contain an explosion,not allowing it into the classified area.
This is the way I remember it.

frank

 

[ryan_618]

Re: Class I vs Class II light fixtures

Explosionproof vs. dust-ignition proof.

 

[snjeza]

Re: Class I vs Class II light fixtures

Can Class I be installed in Class II location?

 

[don_resqcapt19]

Re: Class I vs Class II light fixtures

Can Class I be installed in Class II location?

Not unless approved for the Class II area. One of the problems is that Class I equipment often has a higher permitted external surface temperature than is permitted for Class II equipment.