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  1. P

    Amps & generator load

    Year 2002 two ton 240vac hvac compressor. Plaque says 21.4 amps. Paperwork says use 30a dbl breaker. Is that 21.4 amps on each hot wire? Air handler central hvac 120vac fan paperwork says 6.2 amps 2 fridges in house. Plaques say 6.5 & 4.5a. 120vac. Both fridges on same hot. The 6.2 amp...
  2. S

    LED strip light load on 5amp circuit

    Hello, Newbie here. Tried to find the answer through searching, apologies if I've missed it. We are refurbing our house. I want to install RGBW LED lightning. 3 zones: A) Round the lantern roof light, B) Kitchen cabinets and Island C), Snug room (TV and cabinets) I would like them switched...
  3. B

    Sub Mains to a Load Centre in a Domestic Dwelling

    I am a retired electrician doing a home rewire. I'm taking my time because I fell about 3m off a ladder & put both bones through the inside of my right leg. That has slowed things down a lot... My understanding of the AS:3000 regs is that all circuits in a domestic residence must be RCD...
  4. 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...
  5. V

    EICR code for no upfront rcd on TT split load metal board: poor install

    See this time after time - poor installation: new split load board on a re-wire tt installation. The main switch is not a time delay rcd. The board is metal and there are split load single insulated conductors before the 30mA rcd's. If these conductors touch the metal work the board may...
  6. J

    Tesla wall charger load curtailment

    Morning all, I'm wondering if anyone has much experience with the Tesla Gen 3 Wall Chargers? Quick look through the instructions shows no PEN fault detection; easily dealt with using a Matte or similar. Also, I noticed no facility for Load management/curtailment of the installation via CT...
  7. 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...
  8. 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...
  9. 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...
  10. 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)?
  11. L

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

    Method B enclosed . sounds ok ?
  12. 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...
  13. 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...
  14. 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...
  15. 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...
  16. 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?
  17. 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...
  18. 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
  19. 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...
  20. 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...

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