overload

  1. Saltedm8

    Wall socket overload

    If someone made a request to you, to install a new double socket that would be supplying power to a tumble dryer along a circuit that does not go into a location where those types of device are usually located, like a kitchen or utility room, but goes instead from the hallway into the living...
  2. sebas96

    PSU works with a multimeter attached, but trips the safety without it.

    Hey, I want to use an old xbox 360 PSU- 12V 175W output- for my 12V sup pump (pump/air compressor). When I connected the PSU to the pump directly the SUP pump worked without a problem until it switched to the air compressor( it does it automatically after the pressure reaches 1 psi. The moment...
  3. K

    UK RCBO indicator , short circuit or earth fault.

    Anyone know of an RCBO manufacturer, apart from Chint,that includes an indicator in the RCBO to indicate if the trip is a earth fault or an overload.
  4. happysteve

    Omission of fault (and overload) protection for inverter

    I don't "do" solar, but I've been asked to comment on an aspect of a new domestic solar installation by others. There is no overload or fault protection, except for the service cut-out fuse (unknown size, assume 80A). TN-C-S. Installation is as follows (have only seen a photo of part of it...
  5. E

    an overload current is classified as an overcurrent occuring in a circuit which

    an overload current is classified as an overcurrent occuring in a circuit which is electrically sound has a fault between phase conductors has a fault between Neutral and Earth has a fault between line and earth
  6. D

    6 swipe main shut off - overload code?

    Good afternoon - we're considering adding an additional breaker to our "main service panel" which is where the meter is located. That panel has 6 slots (I guess 12) with 5 double breakers currently. One breaker is 90 amps which feeds our interior panel which has lights, cook top, A/C condensing...
  7. Poolworx

    DC motor overload protection

    Hi all I just picked up an older 36 volt golf cart The speed controller is a curtis 36volt 350 amp I was wondering is there a way of protecting the controller if the motor went bad Thanks in advance
  8. S

    How to co-ordinate circuit breakers trip for overload and short circuit?

    Can 50A B type circuit breaker be coordinated with upstream 50A C type circuit breaker to trip earlier on shorts and current overloads?
    • SparkyAus
    • Thread
    • ausie elec breakers circuit circuit breakers how to overload short short circuit trip
    • Replies: 1
    • Forum: Australia
  9. R

    motor overload for am2 need help!!!!

    Hi everyone, I’m doing my am2 and can’t seem to find a definite calculation to working out the overload this equation I = P/V/1.73/0.8 has popped up but not sure if it is correct
  10. L

    3Phase Motor breaker - overload schematic

    Hi all, I recently bought a CNC router and dust collector and need to connect it to my 3x380v+N power source. I want the CNC router connected to the under/over voltage protection and the motor also connected to the overload protection. Can someone please check if I connect the machines as in my...
  11. M

    Star delta motor overload

    Hi I got called out to a faulty star delta starter on an old Stenner band saw Monday (was getting stuck in star and blow fuses) - So I ordered a new one to suit the 22kw 400v motor having calculated the overload to be 22.04A going by the plated current saying 38A. 38*0.58 Fitted it all today but...
  12. T

    D.O.L starter overload settings

    Hi everyone ive got my AM2 coming up and im unsure about the over load settings for the D.O.L, ive seen 2 different equations and im trying to work out which is right. so say my motor is 750w would my calculation be 750/400/1.732/0.8 = 1.35 or 750/400 x 1.732 x 0.8 = 2.59 i bought a course...
  13. The apprentice

    Overload protection on lighting

    Hi there, was at a 3 phase DB today doing an EICR with another spark, there was a 10amp mcb with 1x 1.5mm2 PVC twin clipped direct feeding 4 high bay lights via a normal 10 amp switch the other spark then got his note pad out and wrote no overload protection iam say there kind of thinking a...
  14. S

    Overload Protection of "submain"

    Hi can someone help me with this situation please. The service head/meter is in a brick built housing box in the middle of a field, we are running power to a house some 40m away from it and im not sure of the most suitable method of protecting the 25mm SWA cable from overload. The DNO fuse is...
  15. J

    110v transformers and overload on secondary

    Just trying to try get my head round these 110v wall mounted transformer I have come across. How comes the second side is unfused? Is there any regs on this? I know the primary usually has has a thermal cut out (is this just purely so we cannot overload and draw too much from the...
  16. timhoward

    Air circulation supply, no overload protection, no earth?!

    An agreed limitation of this EICR is that the air circulation unit circuit will not be inspected beyond the switchgear / controls due to no safe means of accessing units on roof of 4 story building. We're discussing how to resolve this. In meantime: I'm inspecting the air circulation supply at...
  17. T

    Can't get overload circuit in house working again

    A circuit in my house quit working when a toaster oven and portable electric heater where both running on it. Normally the simple fix would be resetting the tripped breaker. However, the breaker did not appear to be tripped. I turned it off and on just to make sure and still no luck. Next...
  18. S

    Ring Fused Spurs and overload protection (433.1.204)

    Just a quick question from a new qualified sparky. So in 433.1.204 when it says the Iz of the cable must not be less than 20A for a ring final circuit. Does this include a radial fused spur taken off the ring final? If you install it in 2.5mm in trunking then the Iz is immediately down to 20A...
  19. R

    Inductive Charging Circuit Design Help

    In Short: I need help designing a circuit between a receiving induction coil and a battery load. Longer Explanation: I am entering a science fair project this year which requires wireless charging of a drone. So far, a have a transmitting coil that takes 12V at 2 amperes and the receiver coil...
  20. D

    (UK) Sanity Check Kitchen Oven wiring spur

    Hello, I'm hoping someone who knows more than me can sanity check this wiring diagram for my Electric Oven, Extractor Fan and Gas Hob. Background: I bought a new oven, I thought the old one was plugged in with normal plug but it was actually hard wired and the extractor/hob were plugged in...
    • dande650
    • Thread
    • check diagram diy fuse kitchen oven overload spur wiring wiring help
    • Replies: 2
    • Forum: UK Electrical Forum

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