amperage

from WordNet (r) 3.0 (2006)

amperage
    n 1: the strength of an electrical current measured in amperes

from The Collaborative International Dictionary of English v.0.48

Amperage \Am*per"age\, n. (Elec.)
   The strength of a current of electricity carried by a
   conductor or generated by a machine, measured in amp[`e]res.
   [Webster 1913 Suppl.]