why the earth pin is thicker than other pins in a plug? If
it is for reducing resistance, then why the copper earth
wire is not so thick as earth pin of socket?
- 5 Answers
- 7125 Views
- Omax, I also Faced
- E-Mail Answers
Answer Posted / bala
Actually the earthpin size is high and thickness is also large to pass more leakage currrent and not for load current.Load current normally returns via neutral.and one more thing is earth is taken care for high current rating devices whose current rating is above 5A.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
What is the height of DA, DAL, DB, DC & DDE tower?
RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?
Why current shoots up in the secondary on the knee point voltage during saturation test of CT? How core saturation effects the secondary current (while the primary side is open)? What the logic behind this?
For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?
What is CCM in Electrical ? where can we use this material?
how to compute kAIC? with formulas...
TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.
The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
Why two phase welding machine is used instead of three phase welding machine.
What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?
Explain the operation of variable frequency transformer?
what is active power & reactive power?
Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.
what kind of quetions will ask in BHEL in interview? Plz help me?
we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.
