Question On Splitting a 12v Power Supply

[frankie5fingers]

So One Spots and the like are simply a T-former rated for a higher mA draw and daisy chained, right?  Does anybody know what the draw would be for the Fat Pants, and the Serendipity?  I have a couple of Dunlop 12v supplies that are both rated for 150 mA.  I'd like to split one between three pedals, the Fat Pants, Serendipity and another OD.
Thanks, Frank

[stecykmi]

1-spots have transformers (anything that plugs into the wall is required to by law), but they're also regulated so they provide a smooth 9v.

that said, 150ma should be plenty for three analog pedals.

[frankie5fingers]

Thanks for that. Is measuring the total resistance of a pedal as easy as input jack to output jack (powered or unpowered?) with my MM?  I'd like to calculate it's draw so I can be sure.  I'm not worried about two, but I'd like to be certain about three.
Thanks, Frank