NFPA-FIRE NFPA-FLUID EEMUA UL CTA AWS
NFPA-FIRE NFPA-FLUID EEMUA UL CTA AWS
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This data sheet describes the minimum requirements for design, fabrication, testing, and documentation of 5 kV class, three-phase, high-resistance grounding systems for use on 2.4 kV and 4.16 kV delta or wye systems installed in nonclassified areas, as discussed in ELSGS07 – Design and Fabrication of High-Resistance Grounding System (1 to 5kV).
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This data sheet describes the minimum requirements for design, fabrication, testing, and documentation of 5 kV class, three-phase, high-resistance grounding systems for use on 2.4 kV and 4.16 kV delta or wye systems installed in nonclassified areas, as discussed in ELSGS07 – Design and Fabrication of High-Resistance Grounding System (1 to 5kV).
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This Practice provides the requirements described in PIP ELSGS07 – Design and Fabrication of High-Resistance Grounding System (1000 to 5000 Volts). The categories covered in this data sheet are ground fault current limits, 120-volt AC control power, system voltage line to line, system configuration, wye system arrangement, delta system arrangement, site conditions, enclosure, control system, disconnect switch, portable detectors, space heater, thermostat, space heater ammeter, push-to-test button, painting, nameplates, mimic graphic, shop inspection and tests, documentation, and others.
