Square D and Cutler-Hammer both have informational sheet available about this. IAEI ran a few articles about AFCIs a few moths back. Sorry, I don't have links on hand for these, but should be fairly easy to search for.
Yes, after I posted the above message I checked these links via the link you placed in the other message [jeez, what a mouthfull It a vicious cycle! remind me to Kil-A-Cycle - bad attempt at humor using KHz reference ]
This site has good items! Thanks for the links!!
Scott " 35 " Thompson Just Say NO To Green Eggs And Ham!