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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
KA surge protection of breakers - Electrician Talk KA would be thousand-amps so my guess would be you are talking about the AIC rating of the breakers Breakers are rated in AIC which is the amount of available fault current that the breaker can withstand before there is the possibility that the breaker could catastrophically fail The minimum AIC rating for a breaker is 5000 amps Most utility companies will try to limit the available fault
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 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
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
200amp panel limitations - Electrician Talk Does anyone know if you can load a 200 amp square d homeline panel to its full 200amp capacity? Also- what does 22k short circuit current rating mean? Any insight would greatly appreciated
Short Circuit Current Rating(SCCR) of meter - Electrician Talk The AIC of your breakers is the interrupt rating 22k amps is just the next step above 10k amps You need to know what the available fault current is from the utility in order to determine whether you can use that 18k SCCR rating with a breaker