How many earthings are required for motors?

Answer Posted / manjunatha m

Motor with integral terminal box (LV motors) terminal box will be integral part of the motor body, so two earthing connection for Motor body is sufficient, for Motor with separate terminal box though mounted on the body needs separate earthing connection for terminal box apart from main body earthing.

Is This Answer Correct ?    7 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is sevice settings for mccb?How can be it setted?

1585


how to meas-our losses for L.T & H.T

1690


What are the main parts of central chiller plant? Explain the function of each stage.

4326


What was your role in the silicon evaluation/product ramp? What tools did you use?

1576


How do we calculate transformer oil in liter from the rating of the transformer.

1186






What are the basic & Majour problems in UPS ?

1607


What is meant by turbo alternators?

658


What is the previous name of Cox's Bazar

1466


what is the difference between changer, converter and transformer?

908


What are the characteristics of negative feedback?

615


Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

4255


how to protect motor in dol starter having capacity of 30 hp.40 hp?

2770


what are factors to be consider in electrical installation like load factor,diversity factor .....

1369


why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

4665


If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

1617