Recent content by sime27

Hi All My airing cuboard is built on to landing above bulk head of my stairs it houses at minute a 114l cylinder which as been there 20yrs or more . the raised floor in there which is raised due to being the bulk of the stairs is showing signs of bowing . next week am due to have my heating...

prob not gunna bother with door contacts for decor reasons but will have a pir covering each door .

i'd say around 20yrs old . Would you reckomend changing the lot ? might be just a quick since i will be moving alarm panel to house a larger cylinder in airing cuboard . For a basic system with 2 remote pads 1 up 1 down , 1 bell box and 6 pir's what system would you go for ?

I need to upgrade/change my alarm panel and remote keypads as all buttons are sticking . will my old pir,s and bell box connect to my new panel ? i got a old pyronix system in at minute

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im in my 3rd session of 2391 and we aint covered allot of the maths so would appreciate if some1 could tell me the formula

would this be done in the normal way as you do at main incoming supply i.e would you remove the incoming earth feed to the db ? and whille your on could to tell me the formular for calculating PFC at a db?

is this the way everbodys does it ???

When filling out a EIC i always use a seprate SCHEDULE OF TEST RESULTS for any submains feeding seprate CU. but what should i put for Ze and PFC at the top ?

whats the method used to calculate R1+R2 from r1 rn r2 readings on a ring final?

Hi mate i did the EAL domestic installers course a few months ago i did'nt really learn anything i didn't already know you will be much better off doing 2381 and the 2391 and skip the DIS course altogther

i sent them certs for 16th ed and EAL domestic installers course

I'm not saying i want electrcians grading but i would have like the qualification listed on the back of my card along with the 16th ed

anyone?