Page 258 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

9 Elmex connector nylon Universal rail mounting type 2.5mm2, 4 mm2 etc
10 End plate for connector 2.5mm2,4 mm2 etc
11 Marking tag for connector

12 Cable lug Pin, palm, ring, U type etc (1mm2, 2.5mm2etc copper or
aluminium)
13 Ferrule Alphabet A-Z & Number 0-9
14 PVC insulated copper wire 1 mm2 ,1.5 mm2,2.5 mm2 etc

15 PVC sleeve 1 mm2 ,1.5 mm2,2.5 mm2 etc
16 bus bar Aluminium, copper
17 Isolator 32A,63A,125A etc (240V or 415V)
18 Current transformer 100/5,150/5,200/5etc (15VA, Class-1, class PS etc)
19 Small type exhaust fan 4”X4”,220/240VA,0.125/0.14A 2600/2800RPM

20 ELCB + MCB (RCBO) C25 ,30mA, 2 pole (1+N) 240 V, 50 Hz
21 Glass type relay (Generator contact:10A (NO) 250V AC /28VDC 5A(NC)RES 250V AC
control) 7A, GEN, cos φ=0-4
22 Spreader Making aluminium
23 Commutator change over switch 32A,63A,125A etc (240V or 415V)

24 Insulators Bush type, L type, finger support
25 Earthing copper strip 20x3mm,25x3mm,25x6mm etc
26 Grommet ½ inch,3/4-inch etc
27 Timer On delay, OFF delay, Sequence, Star/Delta etc

TASK 2:
1 Draw a neat sketch of various panel boards accessories
2 Test the NC and NC switches in OLR
3 Test the contactor with rated voltage and check the change in main and auxiliary contact changes
4 Test the connection and continuity of circuit breaker. If test button is available, check function
5 Measure with voltmeter
6 Test ammeter
7 Test frequency meter
8 Check for connection of revolution counter and power on status
9 Test the indicators
10 Check input and output of control transformer
11 Test insulation resistance of component and enter result in Table 2

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CITS : Power - Electrician & Wireman - Exercise 98