find a neutral


H

heating tech

hiya everyone could someone out their help me please,when i install
boiler etc and a new room thermostat is to be fitted it can be ver
confusing as to what wires are what,plus nearly always only 3 core ha
been installed and use the earth as a switched live,i can wher
possible change it to a 4 core with the correct colour coding.

this is my problem and really hope someone out there can help

please can someone help how do you get a true test to find the neutra
i would be extremly grateful if someone could just clear thi
frustrating question up please.

all the best


gar
 
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D

Dave Plowman (News)

hiya everyone could someone out their help me please,when i install a
boiler etc and a new room thermostat is to be fitted it can be very
confusing as to what wires are what,plus nearly always only 3 core has
been installed and use the earth as a switched live,i can where
possible change it to a 4 core with the correct colour coding.
Most use triple and earth for this purpose. It's against regulations to
use a bare earth conductor for anything other than earth.

However, if this has been done check inside the CH junction box to find
out how it's been wired - then fit a modern thermostat of the
programmable variety which doesn't need an earth or neutral being
battery operated, and make sure you wire it up without using the ECC on
the TW&E cable for anything other than an earth.
 
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R

raden

heating tech said:
hiya everyone could someone out their help me please,when i install a
boiler etc and a new room thermostat is to be fitted it can be very
confusing as to what wires are what,plus nearly always only 3 core has
been installed and use the earth as a switched live,i can where
possible change it to a 4 core with the correct colour coding.

this is my problem and really hope someone out there can help

please can someone help how do you get a true test to find the neutral
i would be extremly grateful if someone could just clear this
frustrating question up please.
How many bloody neutrals are you trying to find ?

I've counted 5 so far

If your level of knowledge is at this level, I think you should stay
away from boilers and electricity

.... and maybe diy-banter
 

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