Key Arena
Situated in the Seattle Center, the Key Arena was home to the Seattle Supersonics basketball team and the Seattle Thunderbirds hockey team. The 17,000 seat arena hosts festivals, sports, concerts, exhibitions and a variety of other events.
The distribution system consists of 13.8 kV main switchgear and four low voltage distribution switchboards. These distribution switchboards contained Siemens breakers with LSIG breakers. A 500 kW generator provides emergency power to essential equipment.