Glossary: GFI | Sweetwater.com

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GFI: A special type of AC circuit breaker designed for increased safety. A GFI compares the current on the hot AC lead to the neutral AC lead. If there is any difference then that means there is a problem and the current should be shunted to ground. A GFI breaker is designed to VERY quickly open and interrupt the power should this condition arise. This is better than simply shunting dangerous current to the safety ground because even when current is going to ground in a normal system the breaker will not open until its current capacity is surpassed. If you happen to be in the path of this current then...well...that would be bad. A GFI interrupts the current flow before significant amounts try to find a path to ground.

G-Cadillac Tailpiece	Gain	Gain/Fader Riding
Gain Before Feedback	Gain Reduction	Gain Stage
Gain Structure	Gap	Gate
Gauge	Gauss	GB
General MIDI Lite	Generational Loss	Genlock
German Carve	Gesture	GFI
GHz, Gigahertz	Gig	Gigabit
Gigaflop	GigaFLOPS	Glass Armonica
Glass Master	Glide	Glissando
Global	General MIDI (GM)	GM2
GM Reset	GNU	GoBo
Golden Ratio	Golpeador	Gooseneck
GOP	GPI	Grace Note
Grain	Grand Rights	Granular Synthesis
Graphic Equalizer	Graphics Processing Unit (GPU)	Graphite
Graticule	Green Book	Gretsch Ronnie Lee Model
Grid	Grid Mode	Ground
Ground Bass	Ground Lift	Ground Loop
Ground Wound	Group	Group Delay
GSIF	Guard Band	GUI
Guitar	Guitar Organ	Guitarron