How to wire 208 volt single phase
[DOC File]Introduction to Distribution Systems
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120/240 single phase. 120/208 3 phase. 277/480 3 phase. The 120/240 configuration is obtained from the low-side of a HV/240 volt transformer, where HV is the rated voltage on the high voltage side, and the 240 is the rated voltage on the low voltage side.
[DOC File]Home | US Forest Service
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Jun 17, 2002 · 277/480, 3 phase, 4W- This voltage is usually used on large systems to reduce incoming service size, wire size and distribution equipment size. Fluorescent and other discharge lighting can be used at 277 volts. 480 volt single phase, 480V three phase, and 277 volt single phase loads can be used on this system.
[DOCX File]Section 26 05 21 - LOW-VOLTAGE ELECTRICAL POWER …
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Low-voltage electrical power conductors and cables are also referred to as conductor(s), cable(s), wire, or wiring in this section. 1.2 RELATED WORK A.Section 07 84 00, FIRESTOPPING: Sealing around penetrations to maintain the integrity of fire-resistant rated construction.
[DOC File]THE NEC® INTRODUCTION
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120 / 208 volt, 3 phase, 4 wire, Wye system. Phase A – Black. Phase B – Red. Phase C – Blue. Neutral – White No. 6 & smaller – White / Gray only. Larger than No. 6 may be other than white (marked per NEC 200-6) Ground – Green (marked per NEC 250-119) 120 / 240 volt, 3 phase, 4 wire, Delta system. Phase A – Black. Phase B ...
[DOC File]Industrial & Commercial Services
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Choose one: Single Line Supply Dual Line Supply (Charges will apply). CUSTOMER’S SERVICE FACILITIES: NEW REQUIRED PRESENT ADEQUATE METERING: SELF CONTAINED (required for 120/240 and 120/208 volt up to and including 600 amp, and 277/480 volt service up to and including 400 Amp svc.) CT CABINET
[DOC File]SECTION 01500
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Wiring for temporary light and single phase power shall, in general, consist of 3 wire, 120/240 volt or 4 wire, 120/208 volt feeders, with branch circuits of #12 conductors minimum. 1) Install branch circuits with suitable fluorescent fixtures or incandescent lampholders for temporary lighting as required to maintain a minimum of 10 foot ...
[DOC File]WIRING, GENERAL 600 VOLTS AND UNDER [DTK:ss]
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CHANGE 120/208 TO 120/240 IF REQUIRED. A. Color Coding for 120/208 Volt Electric Light and Power Wiring: 1. Color Code: a. 2 wire circuit - black, white. b. 3 wire circuit - black, red, white. c. 4 wire circuit - black, red, blue, white. 2. White to be used only for an insulated grounded conductor (neutral).
[DOC File]Chapter 1: DESIGN PROCESS
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(a) 120-V, single-phase, 2-wire (b) 120/240-V, single-phase, 3-wire (c) 120/208-V, single-phase, 3-wire (d) 120/208-V, 3-phase, 4-wire (e) 277/480-V, 3-phase, 4-wire (f) 2400/4160-V, 3-phase, 4-wire. 28.4 Grounding and Ground-Fault Protection. 28.5 Energy Conservation Considerations. 28.6 Design Procedure 28.7 Electrical Equipment Spaces (a ...
[DOC File]SECTION 02825
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5. Power: [208/220 Volt Single-Phase] 4 Wire is 110 vac is required. Total gate system requires 25-amp service, with no more than 3% drop in voltage, while gate is in operation. (FOR WIRE SIZE: CONSULT LOCAL ELECTRICAL CODE.) B. Hydraulic System: 2500-psi hydraulic cylinder. 1.
[DOC File]ax14728g.aw
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120/208 Volt, 3 phase, 4 wire, Wye; 277/480 Volt, 3 phase, 4 wire, Wye. Wire size: Usually printed on insulation, if not, measure insulation diameter, with micrometer then go to NEC Table 5, page 70-753 of insulation to find wire size under proper insulation type. If circuit is de-energized, actual wire diameter may be measured and wire size ...
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