Question

sa tess fan les et proteh sff fusim shall Resis is place C Type 1 HN conductors and the U hecking mc3 SL the Discanocebing Mesns shall ein Sight in the upon position the lack off provisions Les shall bck installed sth Chanch circuit Canon e 3. Shikw the calculations to determine them rating of the overcurrent protective device Use two conductors per phase in ment grounding conductors to be installe temperature in the room where the trical panel and the distribution panel ing the boiler of the equip ed maximum C). The boiler elec protective device (fuses) for the circuit supplying the er phase in two raceways. Also determine the size of the 's to be installed in each raceway. The expected may room where the boiler is located is 100°F (37.8°C). The boiler stribution panel are rated 75°C. All conductors are copper. Erity, or disprove, the correctness of the sizing of the boiler bra
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Answer 1

1 Ansues ase Pvc camdutors both those THHN &THHN Max vottage Learable Nylon made of which 600v capacity t exceed G00V should Alo appliance connected are connected n parallel A appliances AC we know ferm P V2 5KW dnyer 20.2 Anf 2200 = 18-33 Amf Sauna heates 120 = 50 Am 12 kw Electric heat 240 12 Amps Civen) Ain comdition 3kw wates heates Q40 20.8 t 18.23 50 t12 Total curent utilized= 13.63

Hs dempesatuoe As cusnent comductor inaeases also incseases .. Total cuuuent ohich THHN beaRd i aoAmp i standasd function (means no. of cables Jotned . 13-63 ft neaied 14 Total caubles 40 = a.84 3 3 suquined . minimu Size ef comduit bunt out) fuse may othesuise shestut