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Electrical and Electronics Engineering and Technology Tutorials

Electrical and Electronics Engineering and Technology Tutorials



Electric Circuit Analysis

Power System

Power Factor




Logic Gates

Sequential Logic Circuits

Combinational Digital Circuits

Boolean Algebra & Logic Families

How To

Difference Between

Switching & Circuit Breaker

Electrical Essentials

Electrical & Electronic Symbols




  1. amps and if all that is on it is a 120 v pool pump n light. if not then get a 50 amp bkr for main panel, a 50 amp GFCI outdoor spa panel, hoevwer many feet it is to main panel plus extra for spa feed. run new circuit for spa, make sure it is # 6 /3 w/ gnd,u need to gnd your motor in the spa enclosure. depending on where your at it may also require a driven gnd its pretty difficult w/out help. but it could cost 500/ 800 dollars to have it installed. i have 20 yrs as electrician if i were u i would call some one then u don’t have any worries

  2. manoj kumar says:

    nice site
    i am happy to open it always.
    keep growing yaar

  3. great work
    thanks for all

  4. Jatin Haribhakti says:

    One of the best site we have gone through. Please start a e-magazine or some way to be in touch

  5. This website visit very useful i improve my electrical knowledge

  6. sir i want to more about hoe to calculate electricity bill in simple language with more information

  7. can you please refer me to the recommended books

  8. mami zbest says:

    i need to know about communication, networking, ….

  9. TOWER CRANE POWER SUPPLY: Tower crane main panel fed from site 50HZ standby generator. How can you interconnect a 3P + N Residual Current Protective Switch with a 3P Adjustable Motor Protection Switch and Overvoltage Arresters using TT-network inside the site main panel which will supply power to the tower crane main switchgear cabinet? I will appreciate if a sketch can be used in the explanation.

  10. SHIV KANT SHARMA says:

    This is very useful site for updating knowledge.

  11. can i get a book on A-Z installation of solar panel,inverter and battery. yhanks


    We need knowledge partner / consultancy and advisory services to set up Electronic Manufacturing Cluster near Hyderabad International Airport whether you or your network of experts provide required services? If you are interested please revert back at the earliest please.

  13. is there a link i can download any book on electrical machines from this website?


    Pls how can i get book of installation the solar system

  15. shamaw gizaw says:

    i need thes not

  16. yash sharma says:

    Sir have any your app sir there read electrical engineering related questions

  17. I would like some technical assistance regarding transformer. My question is i have a transformer of 2000kva, Its voltage ratio is 6/0.415 KV now i want to use this transformer on 6.6KV instead on 6KV. What will be the impact on transformer and can we use it on continuous operation. Secondly can we use it by changing its tap on 6.6kv.

    Kindly assist me.


  18. sohel mahmud says:

    i m student department of EEE

  19. mathew promise says:

    please how can i get the p d f of this

  20. how can I determine the size of a change over pannel for an estate of 10units with 60amps load each.

  21. An Akira box tv is suppling s.s i dont no what to do

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