overheating | Page 2

overheating

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  1. S

    Neutrals overheating

    On ending a call with Western Power, the previously time served sparks asked...why does many outage calls involve a melted neutral and not line conductor? 1) I suggested Line was probably getting more attention when terminating than neutral. 2) Perhaps the live busbar acting as a heat sink...
  2. D

    overheating cables

    Was called to a property today where the night before they had smoke filling up a room and the smell of burning electrical cables. By the time I arrived later today (was only called an hour previous to my arrival) a builder who was working on a extension to the property had already cut out...
  3. E

    Is it safe to leave a convector heater, auto overheating cut-out, on 24/7 unattended?

    Many of my items have failed recently and as my gas central heating boiler is 20 years old, I am concerned about that failing too, although it works perfectly at the moment. I occasionally go away for a week and in addition to leaving the gas central heating on at a low temperature, I am...
  4. E

    Overheating dual oven/grill element trips RCD; replace regulator or the element?

    Hello everyone, I recently relocated an electric cooker as I moved to new accommodation. It was working perfectly well before it was carefully moved but now the grill is overheating and tripping the RCD. As funds are limited I'm not sure whether to replace the regulator or the dual oven/grill...
  5. S

    Plug socket overheating

    Hi All, Can I begin by explaining that I am not an electrician and nor have I had any electrical training but I've fitted/changed plug sockets, light fittings and switches without any issues. I recently converted a single socket into a double using a patress box conversation at a relatives...
  6. T

    Help, shower cable overheating

    Hi I've fitted a new shower with a 10 mm cable connected from a 45 amp breaker (neutral to neutral bar and earth to earth bar) to a 45 amp double pole switch then to the shower. Once the shower has been running for about 10 mins the neutral in the consumer starts to seriously overheat, any ideas...
  7. stidge

    Isolator overheating

    Hi ! Situation is this , 10mm t&e approx run 10 M , 10-10.5kw Shower, 60898 40 amp , I recently( February) replaced isolator due to overheating( neutral load side) . Installed a mid price range (45a)new one , made sure off good tight connections , but now have same problem overheating load...
  8. M

    overheating motors

    Can a motor overheat and short to earth if it is having to work to hard?There is no overload but the motor is protected by thermistors and a thermistor relay which cuts out on occasions. Its an intermittent fault but the Engineers that have watched the circuit say it trips the Main C/B. On a...
  9. D

    SWA Cable Overheating

    Hi, I am reviewing the calculations for a 200A line with two 3 core 70 sq mm armoured cables, i.e. 2 cables per phase. These cables supplies to a 110KW pump and are installed direct buried along a trench with other 48 power cables in the form of 6 rows of 8 cables each row. The cables have...
  10. B

    Trip the supply on overheating

    Hi guys I have a design question.. The task is as follows... There is a room in my company which holds all the servers powered by a main UPS rated at 220-240VAC and 16 amps... I want a device(s) that will sound a buzzer when room temperature reaches 30 degrees and will cut off the power to...

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