- The Square D QO 60 Amp 2-Space 4-Circuit Fixed Main Lugs Outdoor Load Center is UL listed for residential, commercial and industrial power distribution 
- Includes a non-metallic outdoor cover and factory-installed PK4GTA ground bar 
- Accommodates plug-on secondary surge arrestor (sold separately) and is built with a shielded, copper bus bar that is plated for reliability that is tested and listed only for QO circuit breakers 
- Main feeders terminate from the top, feeders can enter from any direction, however, device cannot be rotated 
- Rated 120/240 VAC and 10,000 AIR short circuit current rating 
- Rainproof non-metallic device 
- Thermoplastic interior is among the most rugged in the industry 
- Slot/square drive screws let you use either standard flat blade screwdriver or square-head driver for positive drive and proper torque