Reddwarf4ever Posted August 1, 2020 Share Posted August 1, 2020 Hello i am burying a PIR cable along the top of the wall, but there are cables from the light switch, will it be ok to run these close ?dont have any option really, but wonder if it could cause false alarms, there won’t be any power flowing at night or when out...but will obviously be live. thanks Quote Link to comment Share on other sites More sharing options...
MrHappy Posted August 1, 2020 Share Posted August 1, 2020 lovely, how many alarm cables are you fitting ? Quote Mr Veritas God Link to comment Share on other sites More sharing options...
sixwheeledbeast Posted August 1, 2020 Share Posted August 1, 2020 If your going by the regs:- 50mm separation between all ELV and LV cabling. "Additional insulation should be provided" if they need to cross over each other, preferably perpendicular to minimise any interference. Seems a fair bit of mess for one alarm cable? Would have looked at going upwards or if really required a thin chase into the cove, disappears with cork. Quote Link to comment Share on other sites More sharing options...
MrHappy Posted August 1, 2020 Share Posted August 1, 2020 Just now, sixwheeledbeast said: Seems a fair bit of mess for one alarm cable? . Looking at the picture, he must have a very understanding wife or lives alone.... 2 Quote Mr Veritas God Link to comment Share on other sites More sharing options...
al-yeti Posted August 1, 2020 Share Posted August 1, 2020 2 hours ago, Reddwarf4ever said: Hello i am burying a PIR cable along the top of the wall, but there are cables from the light switch, will it be ok to run these close ?dont have any option really, but wonder if it could cause false alarms, there won’t be any power flowing at night or when out...but will obviously be live. thanks As said above , what's above ? Carpet? Cables look so close to the surface doesn't look as if you will get.much filler on top either Other option break more plaster below and go behind them a little , is it an outside wall ? Or internal , old internal breeze block? Although messing with the coving is an option you get it wrong it will be messy and always noticeable Quote Link to comment Share on other sites More sharing options...
PeterJames Posted August 1, 2020 Share Posted August 1, 2020 4 hours ago, al-yeti said: Cables look so close to the surface doesn't look as if you will get.much filler on top either He will strip them back to the indivual cores first silly Quote Link to comment Share on other sites More sharing options...
al-yeti Posted August 1, 2020 Share Posted August 1, 2020 45 minutes ago, PeterJames said: He will strip them back to the indivual cores first silly Ah so you mean strip of jacket of cable Flatten cores out and use Wickes 60min silicon to form into a ribbon cable spot Nsí tricks are so cool ..... Quote Link to comment Share on other sites More sharing options...
james.wilson Posted August 1, 2020 Share Posted August 1, 2020 Running perpendicular won't be an issue, as noted you need seperation too. But I don't see that in the pic? Would it not of been easier and better to be under the floor above? Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
Reddwarf4ever Posted August 1, 2020 Author Share Posted August 1, 2020 Not possible I am afraid, the alarm cable ,is 6 core Think only two,used for the PIR and it is the highest quality I could get so screening should be good.......suppose it’s fingers crossed than Quote Link to comment Share on other sites More sharing options...
james.wilson Posted August 1, 2020 Share Posted August 1, 2020 To a point wire is wire but unless your running the lighting in it I'm a little lost? Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
MrHappy Posted August 1, 2020 Share Posted August 1, 2020 1 hour ago, Reddwarf4ever said: Not possible I am afraid, the alarm cable ,is 6 core Think only two,used for the PIR and it is the highest quality I could get so screening should be good.......suppose it’s fingers crossed than would it not been easier to make a few BFO holes in the coving shove the wire to the next BFO in the coving, rather than butcher the wall ? 1/2 a bag should sort your work- but I understand its still hard to get hold of? Quote Mr Veritas God Link to comment Share on other sites More sharing options...
Reddwarf4ever Posted August 1, 2020 Author Share Posted August 1, 2020 The coving isn’t continuous, that’s the first idea I had, the installer used gripfill at intervals to stick it, so can’t do that.....a neat chisel along the wall should suffice, just hoped that interference wouldn’t be a problem Quote Link to comment Share on other sites More sharing options...
al-yeti Posted August 1, 2020 Share Posted August 1, 2020 12 minutes ago, MrHappy said: would it not been easier to make a few BFO holes in the coving shove the wire to the next BFO in the coving, rather than butcher the wall ? 1/2 a bag should sort your work- but I understand its still hard to get hold of? Half a bag/? Lol that will do the whole wall Quote Link to comment Share on other sites More sharing options...
Reddwarf4ever Posted August 2, 2020 Author Share Posted August 2, 2020 Don’t think I am being ungrateful, but I had already cut the channel for the cable, having decided this was the best route, all I really wanted to know was the likelihood of mains interference causing spurious alarms, as the alarm cable is shielded. Wasn’t really looking for different ways to route the cable......thanks Quote Link to comment Share on other sites More sharing options...
MrHappy Posted August 2, 2020 Share Posted August 2, 2020 30 minutes ago, Reddwarf4ever said: but I had already cut the channel for the cable, having decided this was the best route, looking at your work.... I would recommend a wire free alarm on your next job. 30 minutes ago, Reddwarf4ever said: the likelihood of mains interference causing spurious alarms I assume very low, Quote Mr Veritas God Link to comment Share on other sites More sharing options...
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