I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

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what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

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How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

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why dc series motors never start without some load, and what will happen if starting with out load..

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What is Working principle of electronic choke?

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What is the difference between MCCB, ACB & VCB

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1,Building containing 25 flats how much Amp 3 pole MCCB are required? 2, For the safey of each flat how many Amp RCCB can install -loaded with A/C

1 Answers   L&T,

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is it possible to give the total load from the supply generator's maximum in practical?

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where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

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what is slip rings in an induction motor&what is it's work.

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

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what is mean by xlpe swa pvc

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