- generation schedule
- gentle light
- genuine part
- getter
- generating station
- genset
- gettering
- gilled radiator
- gimmick
- gliptal
- glow conduction
- germanium rectifier
- glass tube
- gilding
- glass
- global error
- globular discharge
- gloss lamp
- gloves
- glow potential
- glow steadily
- glow tube
- generating set
- generator losses
- generator protection
- geothermal depth
- Giorgi system
- glass holder
- glass insulator
- glow
- glow discharge
- glow lamp
- glyptal
- goniometer
- gram
- gramme winding
- grammes ring
- gooseneck
- graphic instrument
- graphite
- graphite brush
- grating converter
- graded index
- gravity switch
- greenfield
- grid
- grid current
- grid modulation
- gripping device
- gross weight
- greenhouse gas
- grid bias
- grid capacity
- grid voltage
- gridle
- grommet
- gross efficiency
- ground lead
- ground leakage
- ground resistance
- ground rod
- ground spike
- grounding connector
- grounding structure
- grouping
- growth
- guard wire
- guarded input
- guide
- grid system
- ground
- ground capacitance
- ground circuit
- ground current
- ground light
- ground terminal
- grounded structure
- group
- guard band
- guard-net
- guarded output
- guy
- guy clamp
- hacksaw blade
- hairspring
- half cycle
- half-element
- Hall angle
- hall effect
- halogen lamp
- hand starter
- grounded switch
- grounding electrode
- grounding position
- grounding switch
- grouping switch
- grouting material
- grown junction
- guarded lamp
- guillemin line