hi
we are new startup company installing solar and just wanted to find out if anyone knows how much would an electrician and roofer would charge to carry out the installation of solar pv. I look forward to hear from you soon
thanks
Pretty much as the topic suggests. Having seen many a graph regarding open circuit voltage and short circuit voltage on panel data sheets I am keen to fully understand exactly what this means. Thanks
Deee
Thread
inverter
looking
panel
panels
power
regarding
technical
voltage
where
I am trying to find out where on the light switch or the celling rose of a light is the test for continuity and polarity are carried out? If continuity is carried out for a light circuit then where the probes connect to? is it on the switch line and the cpc at the ceiling rose or the brown...
nazoom
Thread
ceiling
circuit
connect
continuity
light
polarity
questions
regarding
switch
where
When carrying out the tests: live polarity of the supply, Ze, and PFC on a TN-s single phase system, what happens to the double pole main switch? is it off or on?
Many Thanks.
I am trying to carry out live polarity test to test correct polarity of the supply. The system is TN-S and single phase.
My question is do i turn main switch off?
Where on the main switch does the voltage indicator leads go? Is it on the top side of the main switch (Supply) or bottom (Feed)...
Hello, I would be grateful if anyone could check my answers for those two questions and see if it's correct or not?
State the
a) tests for insulation resistance to be undertaken on a 230V circuit containing surge protection devices which cannot be disconnected
Test between L-E, L-N and L-N
b)...
hi guys
i am looking for some advice on my system. My installer and I are at a stalemate at the moment regarding the inverter he has installed.
i had my system installed on Nov 22 and due to the constraints on kit at that time, my system does not resemble anything like what i ordered.
my...
Hello This is my first post on here although I have been looking through the forum quite a bit as its a very good resource for microgen information.
Just to clarify I am not a qualified electrician so some dumbing down may be needed.
I am currently starting the MCS process for a heating company...
Deee
Thread
company
documents
electrical
information
looking
mcs
new
regarding
I'm looking for some advice if I may please.
After fitting a Varilight polished chrome 1G 2W 1000 watt dimmer switch I became concerned at how warm the faceplate was getting when the switch was turned to full power. It did seem to reach a peak temperature and not get any hotter but on...
Called to agents shop today no sign lights , on further investigation I think it could be the relay, the relay supplies a couple of timed circuits. two circuits work fine and the sign light do not .not sure how the relays work never fitted one before .
underpar12
Thread
advise
aus
circuits
connected
regarding
relay
relays
terminals
where
Went to visit a close friend yesterday. They said they'd had a bit of electric work done, and he was really cheap.
New light pull switch and new pendant as a like for like, then, a double outside socket put in. £85 complete.
As you can imagine, I was a bit wary when I heard the price. I knew...
If the cylinder isn't full of hot water and you turn a hot tap on, will boiler give you hot water or does cylinder need to fill up 1st?? daft question i know...
And connected potterton boiler and read in the manual that there was no need for a permanent live if system is completely trv'd. So...
egginyourface
Thread
boiler
couple
cylinder
heating
question
questions
regarding
s plan
system
water
y plan
Hi all i have worked as an apprentice via JTL for 2.5 years in 2007, i gained my key skills and 2330 levels 2+3. I lost employment and so joined the army after a year of trying to gain an apprenticeship again at the age of 19, i am now 21 and have just started a 2 month trail with a decent firm...
Hi
I am due to my inspection and testing exam, so please help me out if possible
I have some questions that need answering.
Any help is much appreciated
When carrying out testing how do we number the circuit breakers? Is it form left to right or form where the main switch side?
When carrying...
Just a quick question regarding filling out the PIR for the following scenario
I did a PIR on Saturday, the building is split into 3 flats, the whole building has a 3 phase supply, each flat is on a different phase with all meters in the main lobby, the building owner(free holder) also lives...
LlandrilloSpark
Thread
3 phase
aus
flats
phase
pir
question
regarding
supply
Industrial installation (non-domestic). Here's the scenario:
A large (150kW) 3-phase motor circuit where the supply is taken from a starter fitted with 315A BS88 HRC fuses.
From calculation using the cable data, the Zs value exceeds the manufacturers requirement for 5s disconnection time...
Steveb555
Thread
3-phase
bs88
circuit
fuse
fuses
high zs
motor
question
regarding
using
Finally some good news from the DNO, SSE are stopping charging for network assessments unless there are more than 6 installations at one site or over 4kWp on one phase. We will still have to pre-apply though if over 3.7kW.
Here's the text of their email:
Introduction:
We are writing to all...
jerriais
Thread
application
connection
dno
installations
network
new
regarding
sse
these
Hello all
I would like to describe in to the best of my ability what is happening at my work place.
I'm self-employed
I started my job and was told, you work 1 month in hand, so i worked one month, then another month
2 month's total then expecting to get paid on the 1st i didn't it was...
Hi, have a question relating to training I hope someone on here can answer about getting qualified.
I’m a 26 year old guy, married, 2 kids and currently working in the NHS as an IT engineer in Newcastle upon Tyne, North East England.
I left school at 16 and started an apprenticeship as an...
clark2585
Thread
aus
college
courses
engineer
question
regarding
skills
training
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