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Discuss Shower on Ceiling Light Flickers - advice needed please in the UK Electrical Forum area at ElectriciansForums.net

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Hello, I am not an electrician. I don't normally post on forums but I'm at breaking point with this situation and require some advice please.

Our new shower was installed earlier this year. Since it was installed when you press the new shower on the ceiling light in the bathroom flickers (strobe like) as does the ceiling lights on the landing and small bedroom (all on the right side of the house.)

No other lights flicker when the shower is on anywhere in the house and the bathroom light doesn't flicker at any other time when it is on (only when the shower is on.) We have changed the light bulb in bathroom and it's still flickering only when the shower is on.

When the shower is turned off the flickering stops immediately, however, the shower is on one consumer board and all ceiling lights are on a separate consumer board. We have been told the cable is correct for the connection of the shower.

With the old shower there was only a small dip in the ceiling light when it was turned on similar to when we put on our hoover and our downstairs table lamp dips in light once. We have been told this dip (or blink) of light is normal due to the load it uses.

We use a 25watt incandescent bulb in the bathroom. We use these bulbs as a family member has seizures to LED and fluorescent lights and can't use any other bulbs. We are aware they are no longer available to buy.

I've had 3 electricians out and also the local electric board to test equipment and they are sending us round in circles (electrician says everything is working normal and it's a supply issue and supply says it's a electricians issue as there are no supply faults.) Our meter doesn't reflect any issues so the electric supplier won't send any one out to look at their equipment other than the replace the existing meter.

We need to have a new hob and oven installed and the electrician has said we can't do that until we find what is causing the flickering issue, however, the electrician has said he cannot find the issue even though the flickering is visible and he has seen it. He has told us to keep a diary of when the flickering occurs (but it is only when the shower is turned on that it happens.)

The shower company cannot help us with this as they are only for installing and repairs even though we have told them it started when the new shower was installed.

Can anyone advise what I need to be either doing or asking because I'm at a loss on what to do and just want to get the house back to our normality again. I am not going to do any work on this as I am not an electrician.

Many thanks for your time with my query.
 
I have read the post with interest now we have a 9.5 kW electric shower and a batton holder with a standard 60-watt lamp. When I turn it on the lamp dips slightly when firstly switched on if there is something wrong with the shower (could be a water pressure issue) and a microswitch is turning the shower element on and off as replicating first being turned on it could be that. Other than that a volt drop issue or loose connection problem which shows up more with higher loads.
 
Hi Wilko,

I've contacted NICEIC and ELECSA (who I was told are the same company from the man I spoke to at their technical dept.) and also ECA. They have all said contact the electric board as it sounds like a supply issue. Hopefully now they have agreed to send someone out again they can let us know. If all is fine (and I hope so) then I don't know what our next step is.

That's complete BS ..................impossible to make such a diagnosis over the phone
 
That's complete BS ..................impossible to make such a diagnosis over the phone
Right Murdoch, the shower company are buck passing cuz they don't have a clue, fit the shower it gets hot, submit invoice, anything wrong someone else's problem.
 
I suggest you get a #full# periodic inspection and #test# Report by a good electrician or electrical contractor (explain your problems to them). If that doesn't find it (I suspect it will as the fault does not affect the whole house - so it sounds internal to the house wiring to me). It could be serious and be a fire hazard if the shower current is being diverted on an incorrect path.

As an aside, you can still get 40 W, 60W, 100W and even 150W incandescent bulbs from lots of various specialist internet suppliers. Search for "Rough Service" bulbs. When you find them, stock up on the ones you want. You can't purchase them from major and/or high street retailers any more. They also last longer than the old normal ones as the are 2000 hours rated (old normal ones were 1000 hours rated).
 
As an aside, you can still get 40 W, 60W, 100W and even 150W incandescent bulbs from lots of various specialist internet suppliers. Search for "Rough Service" bulbs. When you find them, stock up on the ones you want. You can't purchase them from major and/or high street retailers any more. They also last longer than the old normal ones as the are 2000 hours rated (old normal ones were 1000 hours rated).
Should you wish to do this, please be aware that a change in the requirements means that the bulbs are not intended for domestic use as stated on the packaging.
 

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