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hello,  been on a job today and they had a lighting test to done. it failed with a high readng… they have suggested installing at earth electrode 3.6mt. This needs to bring the reading down to below 10 ohms.  my Q is what does 3.6mt mean? as i have not heard of this before and can't seem to...

Hello. Just wondering what the switch is for on a relay? The one that rates from say 1a, 1.3a, 1.5a, 1.8a for example? Cheers

hello just a quick Q.... A customer has called up saying that when she turns on a hair dryer the shower goes cold. she said nothing trips just either the hair dryers go cold or the shower does.  They have recently been put on to the house supply as the have had panels fitted.  any ideas...

hello. does any one know if the western power would up grade a domestic single phase 100A to  200A. the customer wants a few out building to run off the house supply and a salon.  preiviously on 3 phase witch fed about 5 car garages

Hello. Just wondering how many smokes you can install on one circuit. Eg would it be acceptable to link 9 smokes.

hello all.  i have just priced a job that involves 4 flats and a bar. the flats have separate entry. i have given a price for a grade A for system that includes smokes, heats and call points.  my question is does this require a velux motorised window? i have never installed one before and...

hello,  just wanted to know what you all thought of passing a property even though there is not any RCD protection?  would you advise on upgrading the the CU or just 

have not ever done a TT Cu change before. Now my Q is..... if i remember correctly a 100ma RCD is required front end before the RCD consumer unit? Please could some one explain why this is a requirement as all ccts are on rcbos or will be. The CU is about 1 meter from the meter. all Bonding is...

Hello all..... Now before u all start I know what you will say.. I will explain after... How big will you expect a cooker cable to be on a 6kw oven?? In trunking rcd protected. Say around 20m distance. Thanks boy and girls

hello. i have been informed today by a health and safety advisor that it is now to be carried out every 3 years instead of 5???

Hello, Got a bit stumped to day. Extended a ring in a kitchen. When to 2nd fix and discovered that there is a 6mm feeding what I think is a junction box and then the ring goes out from there. Any one seen this before? End to end reading of 0.12 l and n!

Hello just wondered what your thoughts are on the main earth to a single phase tns cu being 10mm. Incoming tails 16'mm twin and earth. Protected by rcd and 60a switch fuse. Bonding to water 16mm... And before you say I have then the wrong way round I don't. Lol... Earth in t and e being used...

hello all.. does any one know where i can find what what different type of property requires what fire detection system ?? EG... HMO requires grade A fully automatic. with call points at exits smokes in bedrooms living rooms halls ect? a lil confused on a top floor flat. it has a panel but...

what do u think of this? has any one wired lighting cct in this way b4? witch a over ride switch front end? i have not ever done 2 way pir before so do they work as a normal switch. e.g. 3 core to each PIR ?

hello all, today i wan in the wholesalers and i seen a cert issued for a domestic property. now, i was shocked at the codes he gave for different things e.g no RCD C1 no Earthing to water or gas C3 brocken back boxes C2 and things like that.. and then i thought is there a set list of...

hello. thoughts please.... today we have 2nd fixed a lighting circuit. all ok until we connected the 4 way switches... and suddenly 230V goes down earth... any way one of the 3 cores has a dead short on it about 0.45ohms. me thinks a screw. property has been plastered and painting and they...

looking at a job and the spec was for red trunking in the hall way and landing. is this a reg? or can we use white as they said they will paint over it any way?

i always have used tysoft easycert for certs.. i now have a new computer and they will not let me swap it over unless i buy a new licensee for around £80.00 plus vat what software do any of you use and recommend ?

hii all, who has ever used a intermediate 3 way lighting circuit & instead of going on from the light to add an additional light but has taken the S/L from the last switch L2 & used that to switch the light on off ??

hi all, just rewired a house and they say the pv isn't working. even though we havnt touched it, not done any PV work so all help required. the ac isolator is on and the meter is flashing? how can this not be working?