Se cable conatins RHW or XHHW conductors and should be marked as such. RHW2 or XHHW2 markings indicate 90 degree conductors and allow ampacity of 100 amps (310.16) RHW and XHHW should use 75 degree column and that allows 90 amps. For service entrance cables and main feeders to a dwelling unit, throw all that away and figure 100 amps for #2 AL se cable. table 310.15(B)(6)
