Page 288 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

MODULE 17: Estimating and Costing

EXERCISE 104 : Plan and carry out Domestic, Commercial,

Industrial and Multi-storeyed building
Workshop

Objectives

At the end of this exercise you shall be able to:
• draw and construct the circuit of domestic wiring
• draw and construct the circuit of industrial wiring
• draw and construct the circuit multi storied commercial building wiring.
Requirements

Tools/Instruments
• Insulated combination pliers 150 mm - 1 No 18mm - 20 Nos
• Side cutting pliers 150 mm - 1 No 32mm - 26 Nos
• Screw driver set 100 mm - 1 No • ICTP main switch 3-phase
• Poker 250 mm - 1 No 60A, 415V - 1 No
• Hacksaw 300 mm - 1 No • Main bus bar chamber
• Measuring tape 15 mtr - 1 No 3-phase 60A 415V - 1 No
• Ballpeen hammer 100 gm - 1 No • ICTP main switch
• Electrician’s knife 75 mm - 1 No 3-phase 16A 415V - 1 No
• Multimeter digital - 1 No • Phase change over switch
3-phase 16amps 415V - 1 No
Materials
• ELCB/RCCB
• PVC Insulated flexible copper wire 100mA 16amp 240V/400V - 1 No
1.5 mm² - 11 mtr. • PVC copper cable
• PVC conduit pipe 19 mm - 3 mtr. 1.5 sqmm cable 600V - 0.3 coil
• PVC junction box 3 way 19 mm - 1 No. • MCB 6amp 240V - 4 Nos.
• PVC junction box 4 way 19 mm - 2 Nos. • Sheet metal box for fixing the
• PVC round box 80*25 mm - 3 Nos. MCB,ELCB & phase change
• PVC gang box 2”*2” - 3 Nos. over switch with indicator - 1 No
• Distribution board 12”*10” - 1 No. • PVC channel 25mm x 12 - 4 Length
• SPST switch 6A, 250V - 6 Nos. • PVC channel 25mm elbow
• Three pin socket 15A, 250V - 3 Nos. inner & outer - as reqd
• DPIC switch 6A, 250V - 1 No. • SPT switch, flush type 6A, 240V - 12 Nos
• MCB 6A, 250V - 3 Nos. • Fibre plugs - as reqd.
• ELCB 25A, 30mA,250V - 1 No. • Metal screws for plug
• Steady batten holder 6A, 250V - 3 Nos. 20mm, 25mm, 35mm x No.6 - as reqd.
• Lamp 100W, 250V - 3 Nos. • PVC round block - 25 x 75 mm - 8 Nos.
• Elbow 20 mm - 2 Nos. • Two plate ceiling rose - 6A 240V - 6 No
• Saddle 20 mm - 20 Nos. • Insulation tape 5m 20mm - 1 Roll
• Wood screw • Bare copper wire 10SWG
12mm - 40 Nos & 16SWG - as reqd

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CITS : Power - Electrician & Wireman - Exercise 103