Howard Industries Electronic Ballast Wiring Diagrams
Wiring Diagrams
Install in accordance with National and Local Electrical Codes. Disconnect power when installing or servicing. Ballast case
must be grounded. Install lamps within 3/4” of grounded metal plane. Wiring diagram leads may exit from a different end
than what is shown; however, the lamp wiring will be the same.
BLACK
1
WHITE
YELLOW
YELLOW
BALLAST
LAMP
LAMP
3
BLACK
WHITE
BALLAST
RED
LAMP
LAMP
LAMP
For 2-lamp operation cap one blue lead
BLUE
BLUE
5
BLUE
BLUE
RED
RED
BLUE
BLUE
BLUE
2
BLACK
WHITE
RED
BALLAST
BLUE
BLUE
LAMP
LAMP
For 1-lamp operation cap one blue lead
4
BLACK
WHITE
YELLOW
YELLOW
BALLAST
BLUE
BLUE
RED
RED
LAMP
LAMP
LAMP
LAMP
For 3-lamp operation cap one blue lead
BLACK
6
WHITE
YELLOW
YELLOW
BALLAST
BLUE
BLUE
RED
RED
Electronic
Ballast
Fluorescent Ballasts
Compact
7
GROUND
9
WHITE
BLACK
BLACK
WHITE
BLACK
WHITE
YELLOW
YELLOW
GROUND
BALLAST
RED
BALLAST
BALLAST
LAMP
LAMP
LAMP
LAMP
RED
RED
YELLOW
YELLOW
BLUE
BLUE
LAMP
LAMP
BLUE/WHITE
BLUE/WHITE
RED/WHITE
RED/WHITE
BLUE
BLUE
RED
RED
8
BLACK
WHITE
GROUND
10
LAMP
LAMP
For 1-lamp operation cap one yellow lead
RED
RED
BALLAST
BLACK
WHITE
Cap unused Yellow leads
YELLOW
YELLOW
BLUE
BLUE
BALLAST
YELLOW
YELLOW
LAMP
LAMP
LAMP
LAMP
BLUE/WHITE
BLUE/WHITE
RED/WHITE
RED/WHITE
BLUE
BLUE
RED
RED
HID
Howard-Lighting.com | 800.956.3456 | Fax 601.422.1652
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