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Transformers & Feeders: 1 Phase 2 Wire

Drawings of Transformer Setups (Connection Schemes);
Primary and Secondary Feeders;
& OCPDs and Panelboards for:
Single Phase 2 Wire Transformers
(Single Voltage SDS)
NOTE: Click on Image to view Full-Sized Image

Drawing 1PH2W-1: 480V x 240V 1 Phase 2 Wire System - Center Tap Grounded
(Max. Voltage To Ground = 120V, no Grounded Conductor)


Drawing 1PH2W-2: 480V x 120V 1 Phase 2 Wire System - Center Tap Grounded
(Max. Voltage To Ground = 60V, no Grounded Conductor)


Drawing 1PH2W-3: 480V x 240V 1 Phase 2 Wire System - Line 1 Grounded
(Max. Voltage To Ground = 240V, Line 1 = Grounded Conductor)


Drawing 1PH2W-4: 480V x 240V 1 Phase 2 Wire System - Ungrounded
(Max. Voltage To Ground = 0V, no Grounded Conductor)