core

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  1. S

    Anyone having experience in selecting a suitable Core ?

    Hello, I want to add a Core in a single coil, in order to increase magnetic field strength. I have posted LTspice simulation of coil's current flow in 1mS. If inductance of coil is 5uH & it allows 1kA current rising per Microsecond, after adding core in coil, Inductance when measured of coil...
  2. O

    2 core cable Metal surround?

    So I've just bought a plug-in wall-mounted light from Habitat (link at the end) which I intend to remove the cable from and wire into the mains. Although I will use 3 core cable I was surprised to see that the existing cable used nis 2 core which goes into a plastic socket and the main surround...
  3. S

    Pir led flood with overide core

    Hi all, I need a decent quality PIR LED flood. Both JCC and KSR have the stupid double flick of the switch method for overide. I need one that has the good old fashioned perm live input aswell as switched! Any brands that 100% have this capability? Only needs be approx 20watt cool white pref
    • suffolkspark
    • Thread
    • core flood led pir
    • Replies: 3
    • Forum: Lighting Forum
  4. J

    Ethernet cable - twisted or solid core?

    I have provisionally mapped out my network - the broadband will be coming in from the front hallway and from there it will be connected to the switch and other IT gear in the top shelf of the storage cupboard on the first floor. Now I cannot decide whether to go with solid core or twisted core...
  5. M

    Jointing 5 core 6mm non SWA cables

    Hello I need to extend 13 5 core 6mm non swa cables, the joint's will be outside - above ground with no weather or sun protection. Any advice on the best product to use for this task would be appreciated. Thanks Chris
  6. EastCoastPete

    Lead sheathed 2 core lighting circuits /EIC

    Evening All, I'm changing a CU from rewirable to 6 x RCBO in a Victorian flat. The two lighting circuits are lead sheathed 2 core, they appear physically undamaged though I've yet to test them but is this an automatic EIC fail? The switches and pendants are all plastic. Thanks for any pointers, Pete
  7. A

    3 core armoured cable to meter tails

    Hello, There is a 3 core underground armoured cable that emerges into a small "plant" room and from there it will connect to the consumer unit which is a fair distance and inside the property. A previous electrician (left when coronavirus) has already run meter tails between plant room and...
  8. W

    single core cables through wall

    hi i'm putting in some exterior lights for the shed. ive drilled a hole through the wall, put conduit through the hole to protect the cables and put a junction box over the holes. inside the house is mini trunking and single core cables. outside is swa. can i just take the singles...
  9. P

    Different core size connections

    Hi forum, I’m planning some garden lighting and would like to try an minimise the amount of cable I’m using. I have a number of different lights/circuits in one area of the garden so was planning to run a multi core cable to a convenient place then make connections from there. All the lights...
  10. L

    Please Help, wiring a switch with a singular 3 core wire

    Hi, im having trouble. I want to wire up some outdoor lights through a smart home plug. They were previously connected to an analouge timer and after removing this ive found that there is one singular wire coming from the lights. this wire has neutral (blue) live (brown) and another black wire...
  11. W

    7 core NYYJ cable to extend ring final circuit?

    Hi, Extending a ring final circuit off a socket in the kitchen through the wall into the shed on the other side. I already have 7 core NYYJ 2.5mm cable and I was wondering if I could use that to go through the wall to a J/B then connect to singles in conduit which would add about 4 meters in...
  12. E

    10mm2 3 core 90 degree cable suggestions

    Customer has ordered a Smeg Symphony SY92IPX9 Induction Range Cooker. Smeg don't supply a cable and specify that the cable you use should be 10mm2 3 core and be able to withstand at least 90 degrees C. The only 10mm2 I can find that is anywhere close is H07RN-F but that is only good to 85C. A...
  13. Q

    Reference method for the old sheathed single core cables run in attic spaces with insulation

    Good morning I am just wondering what reference method is suitable for the old single core sheathed cables if they at some point enter an attic space under insulation.ive had a read through the regs book but still unsure Cheers for any responses Harry
  14. T

    How would you do earth continuity on ring circuit in two core MICC cable?

    How would you do earth continuity on ring circuit in two core MICC cable?
  15. D

    How old are solid core singles?

    I'm carrying out an EICR at the moment and have encountered quite a lot of solid core singles. Is there a particular time period when these were commonly in use? I'm trying to work out a rough date for this part of installation.
  16. T

    3 core twin and earths

    Came accross a re wire were the sparks first fixing had used 3 core cables down to every switch baffled as to why on 1 ways etc supervisor called it smart wiring ? Anyome else come accross this ?
  17. B

    2.5mm doubled up on 4 core

    2.5mm 4 core swa clipped direct but 2 core used as line and 2 Neutral swa as earth acceptable?
  18. B

    5 core SWA 120mm pvc cable

    Hello all So Im doing the groundwork to install a electrical kiosk and lay 250m approx. of cable to live up an off grid property. I am not an electrician i am only doing the hole digging and slab making for the kiosk - I will not be wiring anything in - not my thing :) a qualified company...
  19. D

    3 core & earth to 2 core & earth

    Hi there. After a bit of advice please. Only reason I am not getting an electrician in is because my son is struggling with Asperger's at the moment, so just not able to let contractors in as he has meltdowns. I am in the process of simply replacing an old light from underneath a stairwell. I...
  20. R

    Single core and earth lighting fault

    Could the better and wiser assist with an odd one...? I've just finished a big CU swap on a 1950's house that uses single core & earth lighting circuits. All but one of these are fine, but the faulty one is pretty funky; There are 3 accessories on this circuit in 3 separate rooms. The first...
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