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  1. T

    For Sale Project - pallet loads of kitchen goods in need of repair or selling for parts

    Hello! Apologies if this isn't relevant to this forum, but we are a small business selling pallet loads of kitchen goods (from coffee machines, vacuums, air fryers etc.) in need of repair or selling for parts. Our products are priced at 8% retail value and are always big brands (Ninja...
  2. cdtsilva

    B Type RCD's and electronic loads

    I have seen recent changes that require (most) EV chargers and solar systems to be fitted with a type B RCCD. I work with power semiconductors and inverters for a living and have one of these in my workshop with a dedicated circuit. The question arises on any downstream RCD's that may be...
  3. S

    Issues with high electricity bills/unbalanced loads

    Hi sparks, I would appreciate your help regarding a 3 storey high showroom connected to 3 phase. Each floor is connected to a phase but the upper floor is on for about 3 hours daily. The two other floors are heavily used with lighting,air cons and other appliances. How would you account for...
    • Sam Geoffrey
    • Thread
    • electricity issues loads
    • Replies: 1
    • Forum: UK Electrical Forum
  4. S

    Calculate panel loads

    I am currently working on a 400 square ft. ADU for a client. He originally designed it for to use propane for hot water and cooking. He ran 1 1/2" conduit from main panel planning on 100 amp panel. He now wants to eliminate propane and go all electric. Loads are: mini split-19A, water...
  5. E

    Resistance loads

    I’m having a mind blank. If there is no load in a circuit e.g L-N was bridged at a light. Then there would be a high fault current. What if there is only one light or load on a circuit with a low resistance. Is there a minimum load resistance needed in a circuit?
  6. R

    Halogen vs. LED loads

    Hi Forum ; Need some explanation. I have an old over-the-range extractor fan with two GU10 Halogen lights that I want to replace with two GU10 LEDs. Connecting the two LEDs work fine in the low and medium power settings but, on the high power setting, they both flicker and turn off. However--and...
  7. FatAlan

    EV charger loads?

    I have a client who’d like a cable installed in anticipation of an EV charger at some point in the future. No idea what charger it’s likely to be. Thinking of basing cable calculations based on a load of around 7.5Kw. Thoughts?
  8. A

    sharing one MCCB for 2 loads

    Happy new year everyone! During one my my inspections in an existing warehouse, I saw their electrician has pulled a wire from the incomer side of an existing panel ( panel A, 3 pole isolator as an incomer), to feed another e phase panel(panel B). The upstream breaker is an MCCB ( in panel C)...
  9. L

    Synchronization of two generators with different loads

    There is a generator 1200 kw 60Hz and one generator 1000 kw 61Hz. Can we connect them parallel?Will make synchronization manual mode
  10. E

    Replacing a PSU / changing some loads

    Hello folks, hoping for some help on a project I'm doing at home involving my 3D Printer (...it's 2019... who doesn't have one of these things at home?!) It has a 24V 25A power supply providing the juice but it's a cheap LED driver and it's noisy - it's just the fan but as it's in the living...
  11. M

    Set3/001 Safety. LOADS OF QUESTIONS??

    hi guys, i've recently got a ton of questions from a course i'm doing. Anyone willing to help?
  12. D

    Switching high loads so as not to go over 80 amps.

    I'm just wondering if anyone knows of a product that can switch between 8kw loads? The customer I have (a Deli) wants to add a 8kw pizza oven but only has a single phase supply and is already at capacity at 80 amps. He has a industrial size oven and chicken rotisserie which totals around 8kw...
  13. oracle

    Periodic testing with the power on and all loads connected

    I recently watched a tester and his mate do a periodic inspection and testing on a social housing dwelling without turning off the power or disconnecting any loads. The Ze was measured without disconnecting the main earth conductor and Zs taken with the loads connected. They subtracted the...
  14. marconi

    Zellweger mains signalling for switching off peak loads

    I thought folk might be interested in the Zellweger mains signalling system which I discovered yesterday. My sister wanted to know if she had economy 7 electricity in her rented home. She described to me the intake which as well as the cutout, meter and CU included a 'small black shoebox'...
  15. S

    Interaction between loads - power quality and noise.

    Hello, Sorry if this isn't the right forum for this. Didn't look to be far off... So I'm looking for some advice please with regards to interaction between loads sharing a circuit. I understand (or think I do!) a lot of the composite concepts and I think I have an idea of what my answer might...
  16. D

    Design Current?

    how do i work out the design current of a circuit? ive been given the voltage, Ze and PFC.. its the highways depot assignment but they havent given me the power of any of the circuits.
  17. H

    College Assignment - Large Design Loads

    I've got a college assignment based around design. There's 4 DBs: Main CCU DB1 - Lighting DB2 - Power DB3 - Offices I'm assuming that the Main CCU is the intake and that then has distribution circuits to the three DBs. Cool, so I started working through the lighting DB, got about 30A total...
  18. G

    RCD's and large capacitive loads

    Hi all, just registered today and sorry to come straight in with a request for help. I wasn't sure if this would be best in the commercial forum or the domestic one as really it is using comercial type equipment on a domestic ring main. I have 2 large battery charger/inverters in use at my...
  19. S

    Forum loading problem

    @Dan Have you done something to the forum recently? In the last day or so, loading any page has started taking ages, giving Waterfox Not responding and sometimes Unresponsive script warning. It appears to be related to the blue 'Electricians Talk/Jobs' box. It's fine once that box loads up.
  20. K

    4mm 32a Radial In Trunking

    Changed a CU today and noticed the kitchen sockets were wired in 4mm t&e surface mounted in trunking and on a 32A breaker. Now, the CCC for this is strictly only 30A (ref.method B). Would anyone be overly bothered about this? Common sense tells me that it is unlikely this cable will be asked to...
    • kingeri
    • Thread
    • 32a loads often radial radials trunking
    • Replies: 9
    • Forum: UK Electrical Forum

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