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    Holder Dimmer Switch

    Via the internet I am trying to help a friend swap a standard two gang two way rocker switch for this Holder two gang two way dimmer switch - which has 5 terminals instead of the normal 6. There is a single common L.Holder Dimmer Switch instructions by riveralt posted 19 Jul 2015 at 7:42 AM The...
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    LED Stair lights

    Thought I had finished with house bashing but a recent glut of rewires has brought me back to work. While the house is upside down I have had a request from a customer to fit Led stair lights in the stringer board on one side of the stairs - or into the wall to run alongside the stairs. He is...
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    Replacement RCD/Main Switch - within regulations?

    Started an EICR a few days ago on an unoccupied soon to be rented property. The (18 year old) Vynckier Consumer Unit has an 4 module 80Amp 30mA RCD and Main switch combined covering all the MCB protected circuits. While conducting the visual and mechanical tests at the board, I noticed that...
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    Fused plug top suprise

    Talking of 'plug tops', I went to a job a couple of weeks ago where a decorator complained that he had received an electric shock while stripping the paper from the chimney breast - he had downtooled and scarpered. It was a big house, over a hundred years old, according to the owners the...
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    Meter Tail length 3 metre theory

    I was under the impression that responsibility for meter tails from the meter into the property were the responsibility of the property owner. However, the length of the meter tails and cross sectional area must comply with the requirements of the distributor. Sect 434. 3 (iv) red book. I...
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    Ring Final Circuit or Radial Final Circuits?

    I am in the process of adding a utility room to my house. At the same time I have gutted the adjacent kitchen and intend to rewire both. At the moment there is only one ring final socket circuit for the whole of the house, so it is my intention to remove the kitchen from the socket circuit...
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    Crimping conductors for magnetic contacts

    Hi, I am at the stage of making house extension watertight - doors and windows go in tomorrow. I have an Texcom alarm system for the house and and want to extend to the new part of the house. I have no problem in adding to the zones but am getting increasingly frustrated at trying to...
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    Consumer Units and shower rooms

    I have been to look at a job today in a log cabin located in a holiday village. Following a PIR the old metal Wylex Consumer Unit is being replaced by one with RCBO's. However, the Unit and associated supplier gear is actually located in a built in cupboard in the shower room. After a...
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    Insulation resistance testing issues

    I'm in the final stages of a partial rewire and am in the process of preparing the current kitchen socket radial circuit for connection to the Consumer Unit. Continuity Testing gave R1+R2 = 0.25ohms. However, the Line/Neutral to earth IR test gave 1.56Mohms. I broke the circuit down and...
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    Approved Documennt Part P

    BAS I know we had our differences over this issue - but I cannot find where Part P has been changed from October 2010. I can find others documents Part F J and J that have changed from 1st October 2010 but not part P - any clues?
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    Bathroom Extractor Fans and FCU's

    For some reason, not that I am complaining, I have had a number of jobs recently that involve the fitting of timer extractor fans linked to the lights in bathrooms. I have noticed that manufacturers instructions are stating that the fan must be able to be isolated for maintenance - no problem...
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    Optima G4 mini - installation problems

    I have installed the above system with one door contact, three PIRs, one LED remote and outside alarm bell. The main box has a problem in that I can trace the power from the boxes 230v power terminals through the transformer to aprox 13v at the point where it reaches the pcb terminals. The...
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    Radial Networks

    Got a customer whose kitchen has six down lighters. The down lighters are 230v with the power taken through a switch and then linked via a switch live loop - Only two of the downlighters are immediately accessible and these two are not working. The other four are working but are inaccessible...
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    Cooker Connection Unit wiring size

    I have a customer with a separate oven and hob total 6.4kw. The circuit is protected by a 32amp MCB with additonal protection provided by an RCD. The circuit has 6mm cable from Consumer unit to Cooker switch and 6mm from cooker switch to cooker connection unit. The hob comes with its own 4mm...
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    DNO's responsibility for TNCS

    I am doing a house rewire at the moment. The old set up included a TT earthing system. Though a visual check at the main fuse suggested that it may also have been updated to a PME system at some stage in the past. Scottish Power have now been out, checked and confirmed that a PME system is...
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    Flex or T&E?

    Doing a job next week lowering a ceiling and fitting downlighters and under cupboard lights in a kitchen. Each downlighter with have it own transformer and the transformer will be connected to the circuit with wago click flow connectors. The under cupboard lights are 230v. All the lights...
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    Steel wire armour sizes

    I have been asked to set up a double socket and lights in a garden shed. The property already has an outdoor radial power circuit running 3 core steel wire armour from the Consumer Unit to several IP55 sockets located along a fence in the garden - total distance approximately 15 metres...
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    Lighting switches and terminal blocks

    I have a porch light to fit - it doesn't have ceiling rose connections just Line, neutral and an earth connector. The light will be activated by a single switch. I'm trying to avoid using a jb because of restricted access. I plan to take the line (brown) from a nearby ceiling rose loop...
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    Steel Wire Armoured Cable and ceiling roses

    Got a customer who wants to add an additional ceiling rose in their kitchen effectively linking the current light - no problem there then. However, he doesn't want me lifting the floorboards in the bedroom above and of course the ceiling beams run in the wrong direction. The kitchen is...
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    Should I change a 2.5mm Main bonding conductor?

    I am working out the costs for a fitting a new gas boiler (no new circuit involved) and was checking out the sizing of the main protective bonding conductors. Its a TNCS system with the incoming tails 16mm and what looks like a similar size earthing cable. The gas bonding conductor is 10mm...
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