120 208 wye system
[DOC File]Facility Master Specification Guide
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SPDs for WYE systems: L-N, L-G, N-G, L-L. ... (MCOV) shall be rated for 115% of nominal system voltage. SPDs for 120/208-240 voltage systems shall be rated for 125% of nominal system voltage. SPDs shall be specified for use on 50/60 Hz systems. NEC / UL 1449 Short Circuit Current Rating (SCCR)
[DOC File]IEEE Standards - draft standard template
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208/120 volts, grounded wye-connected, three-phase, four-wire In this system either 208 volts single phase and three-phase or 120 volt single-phase equipment can be used. Panelboards that combine both power and lighting requirements can be used thus reducing the required number of panelboards.
[DOC File]General Services Administration
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Oct 01, 2016 · Rayvoss 120-3Y-A1-4-06-A-H. Rayvoss 120/208 Three Phase Wye TVSS, measures 20”T x 20”W x 10”D. Includes 80mm 120V Strikesorb Suppressor modules tested to 200,000A Accessories: Includes, LED’s, Dry Contacts for remote alarming. 1995.09
[DOC File]3 - University of Minnesota Duluth
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A WYE connected load has a resistance of 10 Ohms per phase. If the total three-phase power dissipated by the load is 3000 Watts, what is the line-to-line voltage of the source? Three 11-Ohm resistors are connected in DELTA across a 3-phase, 440-Volt line.
[DOC File]Basic Electrical Power Fundamentals
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120/240 volts 3 phase 115/230 volts = .115/.230 KV. 277/480 volts 3 phase 265/460 volts = .265/.460 KV. 115/200V WYE SYSTEM, “Y” _____ Wild Leg-208 volts to neutral Do not use L2 to neutral for. 1 pole breakers, will supply. 208 volts. Only L1 and L3 can. be used for 115 volts. 115/230 V, 3 phase DELTA SYSTEM, Y. 265V / 460 V, 3 Phase, WYE, Y
[DOC File]SECTION 16442
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1. ANSI/UL 1449 3rd Edition compliant – Listed Category C, Type 2 with protected modes for 208/120 volt, 3 phase, 4 wire Wye configured system: L-G, L-N, L-L and N-G. 2. Rating (ANSI / IEEE C62.41 location Category C): The minimum surge current capacity the device is capable of withstanding shall be 250 kA per phase, 125 kA per mode minimum.
[DOC File]PART 1 GENERAL
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SPD Voltage Rating System Configuration L-N N-G L-G L-L 120/208-240 WYE (or) Single-Split Phase 700 700 700 1200 277/480 WYE 700 700 700 1200 347/600 WYE 1200 1200 1200 2000 240 Delta 1500 1500 1500 3000 480 Delta 900 1800 SPD Emission Ratings. Audible Noise: No Audible Noise. Surface Temperature: less than 55°C
[DOC File]ax14728g.aw - Home | US Forest Service
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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.
[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…
[DOC File]Harmonic Currents
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Delta and Wye distribution systems are also used in some facilities for specialized equipment. For the purpose of our discussion we will consider the distribution system to be 480 -208/120 Wye. The following are definitions that will assist your understanding of this section.
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