Page 264 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

EXERCISE 100 : Demonstrate control cabinet/ control

panel assembly, wiring, checking /
buzzing & testing for the following

exercises on 3 Ø induction motor

Objectives

At the end of this exercise you shall be able to
• design and draw the power and control circuit
• fix all the accessories required for the starter wiring
• wire up and check the circuit.
Requirements

Tools/Instrument
• Combination pliers 150 mm - 1 No. • Power contactor 415V, AC3,9A - 1 No.
• Screw driver 100,150,200mm - 1 No Each. • Over load relay 5-8A, class 10 - 1 No.
• D.E. spanner set 5mm - 30mm - 1 Set. • Push button red with 1 NC - 1 No.
• Side cutting plier 150 mm - 1 No. • Push button green with 1 NO - 1 No.
• Screw driver 150 mm - 1 No. • Indicator lamp LED green 220 V AC - 1 No.
• Connector screw driver 100 mm - 1 No. • Indicator lamp LED red 220 V AC - 3 Nos.
• Neon tester 0 - 500V - 1 No. • Indicator lamp LED yellow 220 V AC - 1 No.
• Wire stripper 75 mm - 1 No. • Indicator lamp LED blue 220 V AC - 1 No.
• Measuring tape steel 3 m - 1 No. • Indicator lamp LED amber 220 V AC - 1 No.
• Steel rule 300 mm - 1 No. • PVC insulated copper wire 1 mm 2 - 25m.
• Electric hand drill machine 1 - 16 mm - 1 No. • PVC insulated copper wire 2.5 mm 2 - 6m.
• Drill bit 1 - 10 mm - 1 No Each. • Slotted wire duct 50 mm(h) X35mm (w) - 2m.
• Tap set 4mm , 5mm,6mm - 1 Set Each. • Din rail 35mm(W)x7.5mm(D) - 1m.
• Crimping tool 0.5 - 6 mm - 1 No. • Cable tie 80 mm - 1 Pack.
Tools/Instrument • Elmex connector nylon (universal
rail mounting type) 2.5 mm
• 3 ph induction motor 5HP,1440rpm - 1 No. • Elmex connector nylon 2 - 10 Nos.
Materials (universal rail mounting) 4 mm 2 - 10 Nos.
• CRCA sheet steel powder coated control panel • Pin lug copper 1 mm 2 - 30 Nos.
1.6 mm thick IP 55, with mounting plate and gland • Pin lug copper 2.5 mm 2 - 15 Nos.
plate, hinged door (size 700 m(h)X500 mm(w)X • Alphabet ferrule A-Z 1.5 mm 2 - 1 Set.
250mm(d)) - 1 No. • Number ferrule 0-9 1.5 mm 2 - 1 Set.
• 3 pole MCB 32 A - 1 No. • Screw round headed M4 X 12 mm - 24 Nos.
• 2 pole MCB 4 A - 1 No. • Cotton waste - 100gm.

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