7core x 2.5mm cable for gate..Sufficient?
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 Sep 7 2011, 12:18 PM
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#1
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All Stars
12,019 posts Joined: Jan 2003 
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I don't know how 7 core can use for all gate, bell and light. Unless the light control are build on the autogate controller.
From my calculation you need 11 cores:- Power = 3 Cores (L,N, & E) Autogate Switch = 4 Cores (for 2 switch), some use 3 cores Bell = 2 Cores Light = 2 Cores So you use up all 11, maybe 10 |
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Sep 7 2011, 01:03 PM
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#2
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All Stars
12,019 posts Joined: Jan 2003
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QUOTE(tiensong @ Sep 7 2011, 12:57 PM) for me, renovation is a nightmare...If something doesn't done right, will end up a lot of problems..headache man... Nothing is perfect at first time. So correction / corrective action will always happen. |
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Sep 7 2011, 10:42 PM
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#3
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All Stars
12,019 posts Joined: Jan 2003
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QUOTE(skng03 @ Sep 7 2011, 09:56 PM) the minimum as below: The Steel protective usually is not grounded, unless the wireman do it. Also it usually cut out on the switch panel / faceplate.Power = 2 Cores (L,N) the steel wire inside the 1st pvc skin = (E) from WIKI: Armour: Steel wire armour provides mechanical protection, which means the cable can withstand higher stresses, be buried directly and used in external or underground projects.[4] The armouring is normally connected to earth and can also be used as the circuit protective conductor ("earth wire") for the equipment supplied by cable. Autogate Switch = 3 Cores (for 2 switch) Bell = 2 Cores Light = 1 Cores (L only, N & E share with auto gate power) total 8 cores for 7 cores, the auto gate the lights on/ off control by the auto gate control panel. 7 cores = +- rm9.50/M 11 cores =+-rm15/M go for 11 cores so that can have some spare, the cable wont cost much for link house 10m is more than enough  This post has been edited by weikee: Sep 7 2011, 10:43 PM |
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Sep 8 2011, 05:17 PM
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#4
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All Stars
12,019 posts Joined: Jan 2003
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My house armored cable are lay as below
From inside house (at switch faceplate) to Alarm control box (11 core), then 2 unit of 4 core armored from alarm control box to left pillar, and right pillar. From alarm control box, 2 wires to bell, 2 wires to light. |
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Sep 8 2011, 07:49 PM
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#5
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All Stars
12,019 posts Joined: Jan 2003
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Mine is just one lump sump charge of RM 650 for autogate. Verbally told me 11 core.
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Sep 8 2011, 09:18 PM
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#6
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All Stars
12,019 posts Joined: Jan 2003
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Hmm, got 9 cores? and 12 cores?
Mine is just 11 cores + 4 cores |
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Sep 9 2011, 01:20 PM
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#7
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All Stars
12,019 posts Joined: Jan 2003
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Why not ask what is inclusive of the price? Some are higher because involve hacking
Mine is this price because they don't have hack the floor, because the floor is tear down and rebuild a concrete floor by my wet work contractor. |
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