  Tunneling conductance spectra of normal metal/insulator/triplet
superconductor junctions are investigated theoretically. As triplet paring
states we select several types of symmetries that are promising candidates for
the superconducting states in UPt$_{3}$ and in Sr$_{2}$RuO$_{4}$. The
calculated conductance spectra are sensitive to the orientation of the junction
which reflects the anisotropy of the pairing states. They show either zero-bias
conductance peaks or gap-like structures depending on the orientation of the
junctions. The existence of a residual density of states, peculiar to
nonunitary states, is shown to have a significant influence on the properties
of the conductance spectra. Present results serve as a guidefor the
experimental determination of the symmetry of the pair potentials in UPt$_{3}$
and Sr$_{2}$RuO$_{4}$.
