Commercial Electrical 3D Interactive Designer

Animated walkthrough — multi-floor 3D building, NEC one-line diagram, emergency systems & cross-highlighting

← Electrical Studio ⚡ Commercial Electrical 3D Interactive Designer Click any device or one-line node to cross-highlight
3D COMMERCIAL BUILDING VIEW
Floor 3
Floor 2
Floor 1
Ground
UTILITY XFMR 15kV
GENERATOR DIESEL
ATS
MAIN DIST PANEL 480V
EMERG PANEL
UPS
MCC MOTORS
DP-1 F1
DP-2 F2
DP-3 F3
Service & Utility
Distribution
Panelboards
Mechanical / UPS
Emergency / Standby
Branch Loads
COMMERCIAL ELECTRICAL DISTRIBUTION — ONE-LINE 2000A · 480Y/277V 3Ø4W · 3-STORY COMMERCIAL BUILDING · NEC 2020 SERVICE ENTRANCE · NEC ART. 230 UTILITY XFMR 15kV primary · §230 480Y/277V XFMR 15kV→480V · §230.70 CT METER Revenue · §230.66 MAIN DISTRIBUTION PANEL 480V 3Ø · 2000A Main Breaker · §215 §230.71 max 6 disconnects · §408 MDP 480V DISTRIBUTION BUS EMERGENCY / STANDBY · NEC ART. 700 STANDBY GEN Diesel · §700/701 ATS §700.5 · transfer <10s EMERG PANEL Life-safety §700 UPS Critical IT · §645/700 DISTRIBUTION PANELS · NEC ART. 408 / 215 DP-1 FLOOR 1 480/277V 3Ø 4W · §220 DP-2 FLOOR 2 277V lighting · §210.6(A) DP-3 FLOOR 3 480/277V 3Ø 4W BRANCH LOADS · NEC ART. 210 / 410 LED LIGHTING 277V §210.6(C)(2) · IECC RECEPTACLES 120V §210.8(B) GFCI EXIT / EGRESS §700 · 90-min illum MECHANICAL / MOTOR · NEC ART. 430 / 440 MOTOR CONTROL CENTER VFDs · Starters · §430 FLA×1.25 RTU ×3 ROOFTOP 480V · §440 MCA/MOCP Service / Utility Distribution Panelboards Mechanical Emergency Solid = feeder · Dashed = emergency transfer / standby NEC 2020 · 2000A 480Y/277V Commercial Service · Engineers Universe
GROUND — Main Electrical Room · Service · Standby MAIN ELEC ROOM SWBD NEC 110.26: 3 ft working space deep × 30 in wide × 6.5 ft high required at each panel FLOOR 1 — Tenant Space · Electrical Closet ELEC CLOSET BUS FLOOR 2 — Tenant Space · Electrical Closet · 277V Lighting ELEC CLOSET BUS FLOOR 3 — Tenant Space · Electrical Closet ELEC CLOSET BUS Service Distribution Panelboards Mechanical Branch Emergency
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