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AIC rating question - Electrician Talk Good information Our equipment breaker has an AIC rating that is defined as above I think we agree that the equipment breaker rating is correct to use in this case I am missing something?
Calculating AIC rating of Panel - Electrician Talk Be nice newby here I am working on a project with 600amp at the main the main feeds 3 panels, each with 200amps my question is, how do you calculate the AIC rating of these 3 200amps panel? the main is 120 208v, 3phase and so are the panels what do i need to look at? pls give
main breaker AIC rating - Electrician Talk Thank you in advance for any insight I am putting together an estimate for a new service on an existing sorority house that I have done a lot of work on over the past few years Currently It has a 240 volt single phase service which comes into a two pole FPE 225 amp two pole breaker with
panel AIC rating? - Electrician Talk The AIC rating of the fuses has little or nothing to do with it, it is the LET THROUGH current of a current limiting fuse design, the amps that get past the fuse under fault conditions, that matters So a fuse that is not current limiting, but rated 25kAIC, would be meaningless as far as the down stream equipment protection
Is it normal for AIC AIR rating to be lower upstream? Hello, I need a little clarification In a commercial building, the DP in the elec closet has a 10k AIC rating, but the (new) panel in the establishment calls (on drawings) for 22k rating Is this normal? The DP is a 208 120 800A MCB panel, and the sub panel is (will be) a 208 120 250A MLO
AIC. what to do? - Electrician Talk So, I'm here in LA and all i need to do is add a new panel off of a distribution from an existing spare 200amp breaker I haven't seen the job yet, this is all on paper But, my question is, shouldn't the AIC rating of the new panel and breakers be engineered? I've looked up some ways to
Is AIC Rating the same as AIR? - Electrician Talk Hello all, I'm looking for branch breakers for a Square D 208 120 250A MLO panel The specs call for a 22k AIC Rating panel Square D shows only AIR rating on their breakers Is this the same thing basically? Thanks
AIC ratings relative to distance - Electrician Talk The service is 200,000 AIC rated equipment, feeding the ATS normal with 500's at a total wire length of about 70 feet Questions: 1 What levels of AIC ratings are there on equipment? Is the next 'level' 150,000? 100,000? 2 What is the relationship between distance and AIC ratings? I know the further from POCO xfrmr the lower the rating needs
AIC Series Rating | Page 2 | Electrician Talk AIC ratings indicate how much a fuse or circuit breaker can SAFELY interrupt If your supply has 22kA available fault current, but your fuse or CB is only rated for 10kA, it may blow up or light on fire or whatever when it tries to clear a fault with such high current
AIC Breaker Ratings - Electrician Talk Where could I find some info on AIC breaker ratings? Just trying to get a better understanding of the rating difference Really effects the cost of the breakers thanks Leebo