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ELECTRICAL ONE-LINE · 480 V TRAINING REFERENCE NO CROSS-TIE SHOWN · NOT FOR SWITCHING PATH A · 500 kW REFERENCE PATH B · 500 kW REFERENCE UTILITY A — Normal incoming electrical source for Path A. 480 V NORMAL SOURCE UTILITY A GEN A — Standby source for Path A. G GEN A ATS A — Path A source selector; utility or standby generation. ATS A 52 SWG A — Path A distribution switchgear. SWG A MAIN BUS 52-UPS UPS A — Path A uninterruptible power supply. UPS A AC / DC / AC UTILITY B — Independent normal incoming source for Path B. 480 V NORMAL SOURCE UTILITY B GEN B — Standby source for Path B. G GEN B ATS B — Path B source selector; utility or standby generation. ATS B 52 SWG B — Path B distribution switchgear. SWG B MAIN BUS 52-UPS UPS B — Path B uninterruptible power supply. UPS B AC / DC / AC PDU A — Path A distribution to rack rows 1 and 2. PDU A 250 kW REF PDU B — Path A distribution to rack rows 3 and 4. PDU B 250 kW REF PDU C — Path B distribution to rack rows 1 and 2. PDU C 250 kW REF PDU D — Path B distribution to rack rows 3 and 4. PDU D 250 kW REF DUAL-CORD IT LOAD RACK ROW 1 — Rack row 1, served by a feed from each electrical path. ROW 1 · A/B CORDS 100 kW REFERENCE RACK ROW 2 — Rack row 2, served by a feed from each electrical path. ROW 2 · A/B CORDS 100 kW REFERENCE RACK ROW 3 — Rack row 3, served by a feed from each electrical path. ROW 3 · A/B CORDS 100 kW REFERENCE RACK ROW 4 — Rack row 4, served by a feed from each electrical path. ROW 4 · A/B CORDS 100 kW REFERENCE N · TYPICAL SYMBOL / COLOR KEY PATH A PATH B RED OUTLINE = SIMULATED UNAVAILABLE (LAB ONLY) 52 BREAKER MCB BRANCH TX TRANSFORMER 52 / MCB / TX ARE REFERENCE SYMBOLS ONLY: NO INDIVIDUAL PROTECTION, TRANSFORMER OR SWITCHING STATE IS MODELED. PROJECT VIRTUAL CRITICAL FACILITIES LAB Generic Tier III-style topology for learning
DRAWING TITLE CRITICAL POWER ONE-LINE Simulation reference only · site documents govern real work
DRAWING NO. E-101 REV 01 · 04 OCT 2026
COMPONENT INDEX Select a symbol Equipment and instrument tags in the drawing open their matching lab references here.
Electrical paths A and B, chilled-water branches and control signals use the same IDs as the lab model.