means

  1. D

    Watt hour means what?

    What does Wh indicate in a battery monitor?
  2. M

    Hey guys, what does for example 300A rating on a 3 pole MCB means?

    Hey guys, what does for example 300A rating on a 3 pole MCB means? Does it mean each phase carries 300A i.e. (Current in R=300A, Y=300A, B=300A) or it represents total currents in all the 3 phases i.e.(Current in R+Y+B=300A)? Please assist, it is confusing me a lot with my calculations of...
  3. K

    Anyone knows what this icon means on led lightbulb package? Thanks

  4. J

    Door entry with two means of access

    We are using a Bell BL106-4 on the main door. Code entry to open the door, buzzers for each flat. Simple. Only now we want to add access control to a metal gate at the end of a path a mete 10m away. Am I best off adding another Bell BL106-4 at the gate and wiring in-line or is there a smarter...
  5. HappyHippyDad

    Understanding what this means on the megger 1731

    I am in the process of hunting for another difficult fault (intermittent tripping RCD, absolutely no faults showing on any circuits and only 2mA fault current in Main earth). My question does indirectly relate to this... perhaps. When testing the RCD with my megger 1731 I am not getting a...
  6. D

    Hello, not a DIY cowboy by any means but need help!

    Hi guys, by no means an electrian but do a bit of my own work which I then get signed off by a mate who is a full qualified electrian ( I also leave the complex stuff to him) anyhow wondering if one of you could help me! I’ve on to second fit of my garage which I’ve turned into a bit of a work...
  7. Mr.Smith

    HEAT TRACE - What should be used as means of disconnect?

    Currently overseas and inside a small pumphouse heat trace is required. Wondering if I need double pole RCD protection for it? Thanks in advance.
  8. D

    Additional protection by means of RCDs

    Hi, I'm an electrical apprentice and was just wondering if anyone could explain additional protection using RCD's? Thanks
    • Danny Huht
    • Thread
    • access additional means protection rcds
    • Replies: 32
    • Forum: UK Electrical Forum
  9. M

    Is this an acceptable means of earthing ?

    Hello all, I am doing a consumer unit upgrade for a family member in a domestic household, However i am unsure if ther earthing arrangement is up to scratch, As it is, the main eartghing conductor is clamped onto the incoming supply conduits. Southern electric have been and installed a key...
    • Modster
    • Thread
    • acceptable attach attached conduit earth earthing means picture
    • Replies: 39
    • Forum: UK Electrical Forum
  10. O

    Should Tax Credits Be Means Tested?

    I've got a bee in my bonnet about tax credits - they are handed out to millions on the basis of the number of hours you work, the number of kids you have and your income...... .... but they are not means tested, so in the case of an absent parent paying maintenance, this is not included in the...
  11. M

    Wiring to kitchen island with means of isolation

    Hello I'm after so ideas of the best way to supply a kitchen island. orginally I was told the island had a 13amp pop up socket and also LED lights around the plinth so was going to put a switch fuse on the kitchen wall with a 2.5 cable feeding a double socket in the cupboard of the island...
    • markthespark
    • Thread
    • island isolation kitchen means wiring
    • Replies: 17
    • Forum: UK Electrical Forum
  12. a-z electrics

    usb charger sockets

    Anyone fitted these new sockets with integral usb charger slots? I've found you have to disconnect a supply wire when doing IR test.. might seem obvious with hindsight but caught me out the first time :dunce2:
  13. D

    Old installation

    Hi, I went to go and look at a job replacing a consumer unit. It is a TT system, with an old Wylex board. It is protected by an old earth leakage device as described in the post I have attached. Would it be acceptable to leave this connected and then have a RCD protected board in series. It...
    • Davep01
    • Thread
    • earth installation isolator leakage means old
    • Replies: 9
    • Forum: UK Electrical Forum
  14. R

    Megger multi function tester - error 22

    Hi, Megger multifuntion tester (i think 1800 series, can't exactly remember) - Error 22 has appeared I think when doing a loop test but i'll have to confirm this. Tester is fairly new (6 months). Any Ideas what it means? Google wasn't much help before anyone asks!! TIA Rich
    • Richard
    • Thread
    • error function google means megger multi phone tester
    • Replies: 7
    • Forum: UK Electrical Forum
  15. A

    Isolation of smoke alarms?

    So i've spent most of today with my head in my hands whilst attempting course work. Long story short i stumbled across section B1.19 of the Building Regulations which states: 'The mains supply to the smoke alarm(s) should comprise a single independent circuit at the dwellinghouse's main...
  16. M

    Two means of insolation for wires

    Dear all, I am trying to get information on what regulation is used to evaluate electric wire insolation. Wires should have the first layer of insolation on a copper wire. Then that wire is to be in conduit that protects the wire as the second layer of insolation. If you have broken conduit...
  17. S

    Means of isolation

    Hi Folks, Maybe a schoolboy issue, but, the scenario. I have a 3 phase cct for a car ramp. It's fed by a 4mm swa which comes off an MEM board via 3 pole MCB to a 32A TP&N MEM Fused (HRC) isolator. My question is: Does it need to be locally fused or can it just be a switch?
  18. S

    Control panel - means of isolation - position of isolator

    I'm currently signing off new machinery and the control panel isolator is on the side of the panel. I've always believed the handle should be on the door so the panel needs to be isolated prior to opening the door since the handle interlocks into the body of the isolator when in the 'on'...
    • SteveDoran
    • Thread
    • access control isolation isolator means panel position signing
    • Replies: 11
    • Forum: Talk Electrician Forum
  19. A

    Megger 1730 ZS problem on TT system

    Doing a test with my 1730 for NAPIT inspection. Meter came up with CON which means connection problem. Thought that meter was playing up. Polarity was correct and the Ze was 83 ohms. Got City's to send out a brand new inbox 1730 did the same test with the same result CON. Can't be two meters...
  20. S

    Non contact voltage indicator

    I'm looking for a voltage pen just to help trace cables, had a couple of cheapey ones and they either beep constantly or not at all. Anyone got an recommendations? I've seen the fluke, kewtech and meggers are all around the same price (£20ish)
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