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What surge and USB protection system does the 10$ power strip have?

p.kaczmarek2 8358 94

TL;DR

  • The Interlook BA-3505-WHITE power strip has five coloured sockets, separate switches for each outlet, a main switch, and advertised anti-surge and USB-device protection.
  • Opening it reveals a simple internal build: the grounding is connected, but the socket switches appear to cut only one conductor.
  • The supposed protection circuitry is just a single 14D471K varistor soldered loosely at the strip switch.
  • The solder joints look poor and some seem close to failure, so the strip hardly inspires confidence for a 10A rating.
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #91 21232953
    Staszek_Staszek
    Level 34  
    Posts: 3885
    Help: 116
    Rate: 839
    I was thinking of a switch on the wall or by the lamp.
    I remember once, after my degree in electrical engineering, I was merciful/foolish enough to fix a live switch in the house so they could watch TV.
    Of course the screwdriver jumped off and I had a moment of delight.
    If I had been on a ladder I probably would have fallen off it.
    Such is youth, now I always think before an activity what can go wrong.
    I had my strips and sockets inspected and interestingly the more expensive ones needed re-soldering and the cheaper ones made for the KIK network were OK.
    But these also stressed me out because they were screwed together with "one-way" screws.
    It cost me two hours but that's what happens when you lose faith in people.
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  • #92 21232970
    LEDówki
    Level 43  
    Posts: 9363
    Help: 1305
    Rate: 2530
    Manipulation of connectors only without voltage, so removal/removal of the fuse. For replacing a bulb it's supposedly better to do it that way too, but who would want to until the chandelier slams the bulb changer?
    Your point is valuable as it shows that a moment's inattention can cost lives and it's better to protect yourself, because 99 times you'll get it right, but 1 time you don't and you'll be buried.
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  • #93 21233067
    VPSA132
    Level 26  
    Posts: 726
    Help: 74
    Rate: 180
    Staszek_Staszek wrote:
    I had my strips and sockets inspected and interestingly enough the more expensive ones needed re-soldering and the cheaper ones made for the KIK network were OK.


    I for one have already found that price doesn't matter with budget designs. It's more of a lottery.
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  • #94 21233341
    Daroken
    Level 10  
    Posts: 86
    Rate: 5
    LEDówki wrote:
    With regard to the standard - phase in left or right hole - it is better to assume there is no standard.
    .
    Ok, so I conclude that the L and N configuration in the socket is indifferent, and in that fridge it was rather an anomaly.
  • #95 21233402
    VPSA132
    Level 26  
    Posts: 726
    Help: 74
    Rate: 180
    Daroken wrote:
    that is, I conclude that the configuration of L and N in the socket is indifferent
    .
    Yes. The swap does not do anything for motors in compressors. As for ordinary ones yes, even more so for BLDC.
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Topic summary

✨ The discussion revolves around the Interlook BA-3505-WHITE power strip, which features surge protection and USB charging capabilities. Users express concerns about the quality and safety of such low-cost power strips, highlighting issues like inadequate surge protection, poor internal wiring, and the potential for overheating. Several participants suggest conducting practical tests to measure voltage drop across sockets under load. Comparisons are made with other brands, such as Elgotech and Brennenstuhl, which are noted for better quality. The conversation also touches on the lack of regulatory oversight in Poland regarding electrical safety standards, leading to the proliferation of subpar products in the market. Users emphasize the importance of proper internal components, such as varistors and fuses, for effective surge protection.
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