load

A structural load or structural action is a force, deformation, or acceleration applied to structural elements. A load causes stress, deformation, and displacement in a structure. Structural analysis, a discipline in engineering, analyzes the effects of loads on structures and structural elements. Excess load may cause structural failure, so this should be considered and controlled during the design of a structure. Particular mechanical structures—such as aircraft, satellites, rockets, space stations, ships, and submarines—are subject to their own particular structural loads and actions. Engineers often evaluate structural loads based upon published regulations, contracts, or specifications. Accepted technical standards are used for acceptance testing and inspection.

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  1. D

    What do I search for on Amazon: WIFI continuity Switch No current, no load

    I have a bathroom fan with a moisture detector that turns it on and off. It also has a control circuit to turn it on/off when moisture is not connected. This is a no voltage/no current circuit. I want to add a parallel control circuit that would of course be no load no current that I can turn...
  2. M

    How to calculate the current used by a BLDC motor under load?

    I'm working on a robotics project and currently we are designing a battery. This battery is dedicated to the motor driver and two BLDC motors. I want to know how much current the battery will draw if we drive the robot at a certain speed. More specifically, how to calculate the speed of a BLDC...
  3. H

    Cable Tray Load Optimization

    There are electrical engineers who just mutter the slogan "Safety is the top priority," and simply convey old and inaccurate Cable Tray Weight information to the Architectural/Structural design department without trying to calculate the Cable Weight on the Cable Schedule. As the result...
  4. S

    RCD trips with all load breakers open

    My circuit panel has two banks of breakers, each bank protected by an RCD. One of these RCDs has been problematic in that it trips intermitantly. A few months ago it became so frequent that we had the RCD replaced. It would trip regardless of what load breakers were shut or open. No fault could...
  5. P

    Powering a 120V load from a L21-30 receptacle

    I have a L21-30 receptacle. Theoretically speaking, if I want to power a 30A load that requires a L5-30 receptacle, can I just use a L21-30 to L5-30 adapter (PN: IBX-5158-01)?
  6. L

    6mm TW+ for a 26 metre run ,32amp RCBO .Max load 4.5KW

    Method B enclosed . sounds ok ?
  7. D

    Measuring Voltage Drop - With or without Load?

    I am sending power to some 5v led lights about 50ft from the transformer. I was going to use some CAT6 direct Burial cable that I kept after a contractor accidently cut it (I replaced the wire as I did not want to do an underground splice). So I plan to use 1.5 pairs (three conductors) for Pos...
  8. I

    Load assessment for flats

    Hello everyone, I am currently in the process of estimating the electrical demand for a new construction development that will consist of an 8-storey building which will comprise of commercial, residential and ancillary accommodation. In particular, it will include the following: 1x A3 retail...
  9. I

    Shower and load on board

    Went back it a house after they upgraded shower to a 9.8kw, pulling 40a constant. We had wired it with 10sq and 40a RCBO. 10sq Neutral cable looping from neutral bar to RCDs and on to shower RCBO melted at neutral bar. That's fair enough, must have been pulling a fair whack through it. So I...
  10. T

    Load Calculation Help

    Hi there, I'm looking for someone to take a look over this load calculation I've done to see if it checks out. I'm using the Optional Method. I'm looking to add an induction cooktop (shown in red) and it seems like it should just fit on my 200A service. The main question I have is if I can...
  11. W

    UK Hi, do Eaton Memshield mcb's fit the previous Eaton split load boards?

    Hi, do Eaton Memshield mcb's fit previous version of Eaton split boards code (EAD32b) for example?
  12. R

    Rangemaster Cooker Load

    Hello Guys Looking for some advice with regards to a extension job. Customer has ordered a Rangemaster Induction Hob and Oven. I've looked at the specification and it states that potential full load is 14.8Kw. My initial plan was to run a 10mm Twin and Earth but I'm wondering if it would...
  13. T

    0.06 meg Ohm could it be a load

    Would a load register as something like 0.06 Meg ohm on a circuit between N - E ( something like an unfused spur with the fuse removed? or is it just wishful thinking
  14. S

    Load Balancing / Voltage stabilization

    Hello, I live in Mexico, where I have a small, un-official trailer park on my property. The property is serviced by my privately owned, 650amp transformer with two hot wires coming from the main lines on the highway. The transformer case is designed with a 3rd possible hot connection...
  15. B

    Load management on multiple EV chargers

    Hi all. After some guidance. Got a customer who’s looking at installing 8no. 22kW EV charging points. The intake / supply is deemed only to be 160A. Is there anything on the market to load balance the whole install rather than at each EV point? I believe he has been at some chargers but are...
  16. W

    240v outlet voltage drop under load

    I have a 3 prong 240v outlet for a dryer that reads 240v across both legs and 120 across the ground. When I turn the dryer on and have the multi meter to the ground and a hot leg it shows 120 but if I switch it to the b leg and ground it shows 40 then climbs up slowly to 120. The ground is new...
  17. E

    Do illuminated switches pass current to the load side when off?

    I installed an illuminated switch (switch is lit when circuit is off) for my porch light. I noticed that even when off, my LED porch lite is dimmly lit. I measured the voltage at the socket and it was 25VAC. Is this expected or did I install a faulty switch?
  18. Rebwar

    Circuit Summary and load calculations, L3 design project

    Hi Could someone check my answers in the page aploaded please? I'm not sure about my answers according the notes number 1 to 4 and also the stated circuits. Thanks
  19. Z

    What are the causes of unbalance current during no load test of transformer?

    What are the causes of unbalance current during no load test of transformer?
  20. E

    How to calculate site load and availability for expansion?

    I have been tasked with seeing if a site is capable of accommodating a large new installation. I have done some working out but I'm not sure if I am going down the right lines, as this is not my area of expertise. The site has a main fused switch disconnector on the main incoming supply...

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