Connectivity Technical, lighting and power wall boxes at studio, gantry and grid levels. Wall boxes allow connectivity to the galleries and technical areas throughout the studio. Power outlets include 3 Phase 125A, 63A, 32A, single phase 16A and 13a sockets backed up by UPS. External Wall box TC1 Technical and Lighting facilities including DMX, 13A UPS Power, 3Phase 32A, 1Phase 32A and four 13A outlets.