400watt:
Probe start: ANSI: M59, core, capacitor
Pulse start: ANSI: M135, core, capacitor, ignitor
HQI: ANSI: SON AGRO, core, capacitor, ignitor (this is actually a 430w HPS ballast used primarily in hydroponics)
EYE: ANSI: H33, core, capacitor, actually a mercury vapor ballast
Electronic: ANSI...