Page 288 - Electrician - TT (Volume 2)
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ELECTRICIAN - CITS




           Schedule of rates (Electrical)
             Sl No           Item specification                       Unit       Rate

            1       Ceiling rose- 2plate, 6A, 250V                   Each        7.00

            2       Ceiling rose- 3plate, 6A, 250V                   Each        10.00
            3       Tumbler switch- one way, surface type- 6A 250V   Each        8.00

            4       Tumbler switch-two way, surface type- 6A 250V    Each        12.00

           Select suitable wiring system
           The next work in estimation is to select the suitable wiring system, from the list given below, depending upon the
           place of use, consumer’s interest and local electricity board regulation.
           1  Batten wiring
           2  PVC casing and caping(Office and computer circuit)
           3  PVC conduit wiring(surface or concealed)
           4  Metal conduit wiring(surface or concealed)

           Concealed wiring has to be started well before the roof is caste. Hence, electrician should have discussion with
           civil engineer.
           After deciding the type of wiring system, the electrician has to prepare the following depending upon the consumer’s
           interest, durability of wiring accessories, cost, available work force.
           Step 1: Position of electrical points in each area of the house based on the consumer’s requirement. (Fig 2)


              Fig 2













































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                                 CITS : Power - Electrician & Wireman - Lesson 104&105
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