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    Cable in narrow space - how to fix it?

    10mm 2+e must run in a 30mm wide gap under floor between wall and joist. Must also be >50mm from surface or enclosed in earthed metal or impenetrable armour. The distance is only 1m. It is not possible to reach 50mm down the gap to fix nail/screw in cable clips. Would any of the following...
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    Cooker switch replacement

    Is it notifiable to change a 45A cooker control unit incorporating a 13A socket with a simple 45A cooker switch without any socket?
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    cable outside zone. is it a big deal? EICR code?

    A 10mm cable supplying shower is chased down the bathroom wall (in correct zone) and is then chased from celing height down the wall in the kitchen below. The cable pops out of the kitchen wall below contertop level making the rest of the journed to the CU on the surface but cannot be seen...
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    EICR and unnecessary work?

    Thanks for all your replies even if one or two assumptions have been made. I sometimes post on this forum before I hire anyone if I am unsure about anything as it is far better to know a little of what i'm talking about beforehand as I have ended up with sub standard and superfluous work done...
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    EICR and unnecessary work?

    I need to get a PIR/EICR done. I am scared that I might be forced to pay for work to meet the 17th edition regs but is not compulsory for older installations else get rated "unsatisfactory". I called up one electrician and he said if there were no rcds I would need a new CU to pass, but from...
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    Cable chased into wall- permitted zone?

    I think the blanking plate idea would be acceptable as far as the zones are concerned. The question is whether it is still ok if the banking plate/accessory is below the worktop level where it is not seen as readily. Do the regulations say that you cannot put fitted cupboards or any fixed...
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    Cable chased into wall- permitted zone?

    Thank you all for your contributions. Some of you have asked for more detail so I should explain why moving the cable is problematic: The wall in question is in the kitchen on the ground floor. The bathroom is on the floor above and the cable is a 10mm 2+E for the shower. The kitchen walls...
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    Cable chased into wall- permitted zone?

    According to BS7671, cables chased into a wall and plastered over must be within 6 inches of the ceiling or corners or running in line with an accessory either vertically or horizontally. Or they can be mounted on the surface of the wall. These rules are intended to prevent someone unwittingly...
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    Bonding bath

    I need to replace a wooden shower cubicle with a bath. From what I understand, If I get a steel (not plastic) bath, I need to get the bath equipotentially bonded with other metal in the bathroom. The only metal existing is the copper pipes that supply the basin and toilet fill. These have...
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    Smoke Alarms

    the requirement for smoke alarms in houses have been reduced in many cases. you need to search for the lacors report which is the governments official and most up to date guidance.
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    Mechanical protection through joists

    where the other measures of 7671 522.6.5 are not used and a cable passes through a joist less than 50mm from the top, the cable must have adequate mechanical protection against nails, etc. Please tell me, does this requirement only apply to the parts of the cable passing through the joist? or...
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    Unused cables left in ok? Smoke alarms?

    I'm asking hypothetically, no notifyable work has been undertaken and I'm not trying to deprive anyone from an honest living. If it is notifyable to add smoke alarms into a lighting circuit, then I still need to know whether running paralell multicore cables (BS7671 section 521.8.1) and running...
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    Unused cables left in ok? Smoke alarms?

    Re: Connecting Smoke alarms with 2core+E? I just checked BS7671 and found section 521.8.1: "Each part of a circuit should be arranged such that the conductors are not distributed over different multicore cables, etc... This requirement need not be met where a number of multicore cables are...
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    Unused cables left in ok? Smoke alarms?

    Connecting Smoke alarms with 2core+E? I need to connect grade D smoke alarms. The connections are Live neutral and Interconnect. Is it a breach of any regulations to use 2 Twin and earth cables instead of having to buy 3 core + E? I plan to use the live and Neutral of 1 Cable to connect the...
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    Unused cables left in ok? Smoke alarms?

    1) Are there any regulations concerning electrical cables that have been installed in a domestic house that are running under the floorboards or buried inside wall chases that are not connected to anything? For example, if you move a socket and run new cable to it as per bs7671 can you just...
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    copper pipe instead of trunking?

    i am installing fp cable for a fire alarm system grade a ld1 under house floor but it is inaccessible because floor board is lifted only every few metres. i need to use trunking to secure the cable that can be cut into short sections and then assembled into a long piece when under the floor. can...
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    joist span confusion

    I must run fp cable under floor perpendicular to Joists. i must drill holes in Joists and thread cable through. safe zone is 0.25 to 0.4 of span length. the Joists run as a continuous piece of wood from front wall to rear wall but are supported halfway by a wall underneath. should i therefore...
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