Foot switchesMetal enclosure Single-pedal types
// Series GF from page 12
// Series GFS from page 18
// Series GFI from page 26
// Series GFSI from page 32 Double-pedal types
// Series GF 2 from page 38
// Series GFS 2
99 from page 44 Triple-pedal types
// Series GF/GFS 3 from page 50
GFI