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Part #ADV ISB-1040-14-EI (1-4)LAMP (10-40)FT T12/T8HO 120-277VAC ELECTRONIC SIGN BALLAST **FOLLOW WIRING INSTRUCTIONS **IMPROPER INSTALLATION WILL **SHORTEN LAMP LIFE. Advance Magnetic Fluorescent Ballast, Series: SignPRO, T12HO Lamp, 110 W Lamp, 337 W Wat
MFG #ISB-1040-14-EI
5 in Stock. More available 12/21/2025
$204.24 per EA (1) / EA
Part #ADV ISB-0848-46-EI (4-6)LAMP (8-48)FT T12/T8HO 120-277VAC ELECTRONIC SIGN BALLAST **FOLLOW WIRING INSTRUCTIONS **IMPROPER INSTALLATION WILL **SHORTEN LAMP LIFE Advance IntelliVolt® signPRO® Sign Ballast, Electronic, T12/HO Lamp,
MFG #ISB-0848-46-EI
17 in Stock. More available 12/18/2025
$212.51 per EA (1) / EA
Part #ADV ISB-0432-14-EI (1-4)LAMP (4-32)FT T12/T8HO 120-277VAC ELECTRONIC SIGN BALLAST **FOLLOW WIRING INSTRUCTIONS **IMPROPER INSTALLATION WILL **SHORTEN LAMP LIFE Advance IntelliVolt® signPRO® Sign Ballast, Electronic, T12/HO Lamp,
MFG #ISB-0432-14-EI
42 in Stock. More available 12/21/2025
$149.03 per EA (1) / EA
Part #ADV ISB-1040-14-EI (1-4)LAMP (10-40)FT T12/T8HO 120-277VAC ELECTRONIC SIGN BALLAST **FOLLOW WIRING INSTRUCTIONS **IMPROPER INSTALLATION WILL **SHORTEN LAMP LIFE. Advance Magnetic Fluorescent Ballast, Series: SignPRO, T12HO Lamp, 110 W Lamp, 337 W Wat
MFG #ISB-1040-14-EI
5 in Stock. More available 12/21/2025
$204.24 per EA (1) / EA
Part #ADV ISB-0848-46-EI (4-6)LAMP (8-48)FT T12/T8HO 120-277VAC ELECTRONIC SIGN BALLAST **FOLLOW WIRING INSTRUCTIONS **IMPROPER INSTALLATION WILL **SHORTEN LAMP LIFE Advance IntelliVolt® signPRO® Sign Ballast, Electronic, T12/HO Lamp,
MFG #ISB-0848-46-EI
17 in Stock. More available 12/18/2025
$212.51 per EA (1) / EA
Part #ADV ISB-0432-14-EI (1-4)LAMP (4-32)FT T12/T8HO 120-277VAC ELECTRONIC SIGN BALLAST **FOLLOW WIRING INSTRUCTIONS **IMPROPER INSTALLATION WILL **SHORTEN LAMP LIFE Advance IntelliVolt® signPRO® Sign Ballast, Electronic, T12/HO Lamp,
MFG #ISB-0432-14-EI
42 in Stock. More available 12/21/2025
$149.03 per EA (1) / EA





