Universal Signa brand ELECTRONIC Instant Start Sign Ballast for 1 to 4 High Output T12 (10 to 40 Feet) or T8 (8 to 32 Feet) Fluorescent Lamps of 120-277 Voltage. Number of Lamps, Lamp Watts, & Lamp Lengths Vary by Application. LAMP(S) NOT INCLUDED.
- Parallel lamp operation-if one lamp fails, other lamps remain lit keeping sign illuminated
- Cold temperature starting down to -20F
- UL "Type 2" cans outdoor rated for improved durability and resistance to rust
- UL "HL" rated for hazardous locations