Alot of customers have been asking is 400mA or 1000mA adaptor sufficent to power their pedals.
The below is a guide for Wampler Pedals current drawn when they are in use.

Total of 21 pedals below only require 331mA of current supply.
In the fact switching type adaptor with mA more than 1000mA will induce humming.

Paisley Drive-9mA,
Hot Wired-10mA,
Black'65-3mA,
Ecstasy-8mA,
Plexi-Drive-4mA,
SLOstortion-15mA
Pinnacle-4mA,
Pinnacle Deluxe-9mA,
Plextortion-12mA,
Triple Wreck-23mA,
Leviathan Fuzz-12mA,
Faux Analog Echo-29mA,
Faux Tape Echo-33mA,
Faux Spring Reverb-78mA,
Ego Comp-33mA,
Nirvana Chorus-13mA,
Talent Booster-2mA,
Clean Buffer-9mA,
Super Plex-8mA,
Underdog-14mA,
Cranked AC-3mA.