Square D individual meter sockets have provisions to feed a downstream main lug load center (with a maximum of 6 service disconnects), main breaker load center, or an individually enclosed service disconnect. 400 ampere, studs only units have provisions for mounting dual load side lugs to feed two downstream main breaker load centers or two individually enclosed disconnects.

Ringless type meter sockets

• 10,000 RMS Symmetrical Amperes Short Circuit Current Rating (or higher with utility approval).
• UL Listed, NEMA Type 3R enclosure.
• Units supplied with bonded neutral.
• Units supplied with Hub Opening in Top endwall require the use of a Bolt-On Hub, or Closing Plate.
• Units supplied with Solid Top are for Underground Feed only

Ring type meter sockets

• 10,000 RMS Symmetrical Amperes Short Circuit Current Rating (or higher with utility approval).
• UL Listed, NEMA Type 3R enclosure.
• Units supplied with bonded neutral.
• Units supplied with Hub Opening in Top endwall require the use of a Bolt-On Hub, or Closing Plate.

Single phase ringless type horizontal ganged meter sockets

• 10,000 RMS Symmetrical Amperes short circuit current rating (or higher with utility approval)
• UL Listed, NEMA Type 3R enclosure
• Supplied with ground lugs
• Supplied with hub opening in top endwall, requires the use of a Bolt-On Hub, or Closing Plate