Search results

Is there a reg regarding a consumer unit placed under a kitchen sink? I know its bad practice etc, but I have just purchased a house and the CU is under the sink.

Im mounting a Rotary Isolator on an external wall and the cable is coming through the wall straight into the back of the isolator . Im not using SWA and I don't want to fit a gland as it means knocking lumps out of the wall. Whats the best way to maintaian its IP... (silicone?) . Is this alowable?

Im a little confused as to what to record for Ze and PFC on a test form: Its not that Im an idiot or anything its just what is meant to be recorded that gets me so here goes: When measuring a Ze at origin Im using the meter set to L-PE (3 wire) and I record the result as my Ze value, the...

Im converting my garage into a habitable room and utility room. I want to put in a linkable smoke alarm into both rooms so if there is a fire in the utility room then that alarm sounds and so does the alarm in the habitable room. I want a mains wired option. Can anyone suggests an option or a...

Im converting my garage, an internal studd wall has been made with fireline platerboard on one side. (all done with building regs) . I need to place cables through this wall at high level to connect to a CU on the other side. Whats the best method for maintaining the firelines protection. I know...

I don't have an answer to this but hope you do Got a Baxi and every day just after the heating comes on it leaks about 1/4 l of water from some mystery location. The water isnt coming out of the pressure valve thingme pipe as its dry. The attached pic shows the case of the boiler (reverse...

I work in A/C and am the duty holder/qual supervisor for any electrical work carried out. my firm holds approved contractor status with NICEIC (defined scope) but on the back of that we have full Domestic Scheme approval. I hold 17edition and 2391 etc. I am currently doing a garage conversion...

Quick Earthing Question From MET to CU you use 16mm Earth, that is understood. Today I saw the following: MET was wired to Earthing teminals of a 100A Switch fuse using 16mm Earth Switch fuse to CU (located 15m away) was ran in 2 core 16mm SWA cable The armour of the SWA was then...

We have a large floodlight (Discharge) outside our wharehouse. It has a photo cell on it and comes on at night as you would expect. I only want it on when people are working so really I want it to switch off at 7pm. At the moment the floodlight is supplied by a fused spur and I want to add a...

I have a Small Garage CU, Im using a 40A RCD as the incoming Main Isolator I have a ring 32A in the garage. 6 A For Lights (including external PIR Floods) I have a 10 A radial for the Freezer (Non RCD hence a seperate circuit Please dont give me jip about that. Im not putting a freezer on...

My garage has guttering which feeds into a drain as you would expect. I have recently put my washing machine in the garage and drilled through the wall and piped up the washing machine drain into the gutter drain. problem is the drain regurally overflows. It doesn't appear to be blocked...

What does the appreviation "LIM" mean on a test sheet? I noticed this in the box marked "Supply Fuses Characteristics" on a test sheet I was look at the other day.

In the bedroom I have a wall mounted AC unit, its a small unit and runs from the mains. Problem is the nearest mains outlet is behind a cupboard. I intend to run a length of flex from the socket (connected via a 3 pin plug) and then connect to an RCD protected FCU somewhere close to the AC unit...

Lets say I have a sub main CU in the Kitchen, can I use the earthing bar from that CU to bond pipes etc. Or do I have to run a seperate earth from the MET at the primary CU ?

What are the rules+regs on clipping T&E direct to an internal brick wall. i.e. no conduit or trunking just clipped directly to a wall. Does it have to be a certain height etc.

When working out a Volt Drop for a 3 phase system what it the max allowed. 4% as in single phase? Say if you have a VD of 8v this is ok for 230 single phase (just). But what about a 3 phase system i.e. is the % worked out as a % of 230 or as a % of 400v Pretty sure its a % of 230V as your...

Am I ok to double up on 2.5mmsq cable to increase the overall CSA for a radial circuit i.e. x2 2.5mmsq cables ran in parallel would give me 5mmsq Right? and therefore an increased current is allowed. Is this a common practice?

Is it ok to controll 2 devices via 1 switched fused spur i.e. (1)Switched fused spur ----->------ (2)single socket outlet-------->-------(3)FCU (for fixed appliance) i.e. the first SWICHED FCU will isolate if necessary items (2) and (3) Note (low powered appliances)

After visiting this forum several times with questions (kindly answered) by you pros I am coming to the conclusion that any bit of fixed or perminant equipment in a kitchen must have a means of easily accessable isolation Correct? and am I right in thinking this relates to 476-03-04 Anyhow Im...

Is there such a thing as and SWA gland expander. i.e. Say I have a 32mm knockout and I want to connect a 25mm gland is an adaptor available to make the thread of the gland bigger to fit the 32mm knockout. If there is presumably the banjo and locking nut will have to be bigger. I have seen...