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I have so many electric appliances installed at my home(India). I have been recently reading in newspapers that some electric appliance are getting affected due to voltage or short circuit issues.

I have circuit breakers installed at my home already.

Is there anything else I can do to make sure , my electric appliances are well protected ?

Basically I'd like to prevent any electrical related issues that can affect my electrical equipment(Washing machine , AC , Fridge, TV , OTG , Water heater ).

What are the measures I can do like installing some accessories etc..

Thanks

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  • For starters, a circuit breaker doesn't do the same job as a surge protector. You can also look up something called an active power conditioner, but those are expensive ($500+) and meant for sensitive electronics like high end stereo equipment.
    – JPhi1618
    Oct 12 at 18:46
  • Will there be low voltage issues affecting the appliances ? I know high voltage affects , is there anything else that affects the appliances ? WIll one surge protector , prevent all these issues ? or any other accessory must be bought as well ?
    – RaviMan
    Oct 12 at 19:13
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    Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking.
    – Community Bot
    Oct 12 at 20:32
  • A lot depends on the situation. For example high/low voltage - if nominal is 240V, most equipment will handle 220V - 250V without a problem, but some will have problems (which requires an active power conditioner). But some places have serious brownouts - drop below 200V and a lot of equipment will have problems (but not all - a lot of modern electronics will run fine 100V - 250V). Need more details on actual problems in a specific location and actual equipment involved to figure out a real-world solution (or whether any "solution" is needed at all). Oct 12 at 20:38
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Go through your house with a fine-tooth comb and make sure every aspect is fully compliant with modern European electrical codes. No exceptions.

The classic thing in the developing world is shoddy electrical that just barely works but falls short of the mark on every electrical inspection.

Use appliances which are tested and approved by a competent 3rd party testing lab such as UL, BSI, TUV and the like. Might be a good time to be a European appliance snob.

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Posting this as an answer, but question is a bit broad.

I think the best thing you can do is to study the electrical wiring practices of countries/cities with more mature codes and construction practices and try and follow as much of that as you can. India is a huge place, so I'm not trying to disparage your building/home, but there's everything from hand assembled shacks, to world class office buildings. There's also a huge difference in how things are wired.

Using the right wire sizes, having your loads divided into reasonable circuits and having proper overload and GFI/RCD protection will go a long way to having a safe home. Proper wire connections made in approved enclosures is also important and commonly overlooked in rural or less developed areas.

I'm sure that some of the issues you read about in the paper can be traced back to poor wiring practices. An AC unit should trip a breaker if the compressor shorts out, not overheat and explode. Accidents like that almost never happen in areas with strict electric code (although there are always people that do unsafe work on their own).

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To prevent overvoltage:
Install cascaded surge supressors.
Type I + II (or whatever its called at Your place) for the whole house/flat at the main electrical junction box - they are large and expensive, so it might be hard to fit them in.
Protect sensitive appliances with surge protector strips - that is, all computers/tvs need to be plugged into power strips with fuses and varistors. High power appliances like dishwasher/AC/heaters generally do not need power strips for protection (and will actually burn the surge protectors sometimes).

To protect from undervoltage: Most appliances will just work with too low voltage or just fail to start and turn off. There is not much you can do - you can install UPS for smoothing the sudden voltage dips, but it won't last long if the low voltage condition continues. If you can get a hold on an old fashion voltage stabilizer - a hevay box with a dial to set voltage, that would help. These were popular in old times when voltage was too low for some TV's.
Heaters, AC, refrigerators etc do not need any special care with low voltage. Dishwasher might restart, but you won't find ups sized to handle those anyway.

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