what is meant by AYFY Cable?

Answer Posted / prabhu gnanasekaran

AS Per IS:1554(Part1)&7098(Part1)
AYFY
A-Aluminium
Y-inner shealth for insulation
F- Flat armoured(There is one more thing WOUND ARMOURED)
Y-outer shealth of insulation.
In general practice
Cable sizes upto to 3CX10 Sq.mm Wound armoured is
acceptable.( Wound armoured will provide a good mechanical
strength than Flat armoured)
Cable are selected with FLAT ARMOURED is mainly because of
finacial reasons and some phical resons in errection and
maintance

Is This Answer Correct ?    42 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

given data are load current & power factor cable core size? plz any one update the calculation formula

1394


How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1044


describe the A.C. Generator Testing procedure

1644


Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

514


How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

1689






1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

10217


how to measure earth resistance of a substation

2743


what type of questions are asked and howmwny questions belong this catagory?

1718


can u give me a brief idea about power line carrier communication ??

1497


iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

1759


Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

2317


what irequirment need to be followed when working on live equipment

1311


How work of capacitor in dc supply...???

1050


what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

1443


What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1170