I'm struggling to understand the answer to this question....
A ring circuit is 54 metres long and is wired in 2.5/1.5 Thermoplastic cable. The Ze for the installation is 0.24Ohms. Cable resistance is 19.51 mOhms per metre. Calculate the Zs for the circuit?
I'll reveal the 'book' answer, once I...
Please I need answers to these questions, thank you.
Q1. A three phase equipment is rated 415 volts (380-415), 6000 watts, what is the current drawn per phase.
Q2. What happens if power is only supplied to one phase of a three phase meter? does the normal bill drops by 1/3rd
or only...
Hello reader, I have started a part time course in college for 2 years which will include learning electrical engineering at level for the first year and completing a 2330 C&G in the second year, I do not know who to ask as to where this will get me and how fast it will get me in to the trade...
NeedsCareer
Thread
answers
aus
can't
electricians' talk
get
help
help please
please
straight
Hi,
Just found a question and answer page at the b and q website, if you go to fix then to cable and accesories in the electrical section, there is a question and answer section at the bottom of the page.
I am interested to gather peoples views and opinions on this, take a look and post your...
1. List where you test on a 3 phase and neutral installation to confirm Safe Isolation?
2. What documents are required for a new installation, who is responsible for determining next test and who the forms are given to?
3. Sketch layout of a TN-C-S domestic intake position? Page 15 in OSG...
I dont want to get into a part P debate here but have a couple questions as i cant find the answer. Ive done the c&g 2330 2 and 3 and am taking a test tomorrow on part P to be followed by the 17th exam and the 2391. Anyway i have a folder of info i have to learn for tomorrow and am totally...
Daytona955
Thread
answers
aus
cheers
couple
electricians' talk
questions
I am in the process of going self employed. Just wanted to know if anybody has recently enrolled with the NIC, Im looking at the process at the moment and would like to know if anybody was actually asked to show proof that the two jobs assested on the day were signed off by building control. Not...
telectrical
Thread
answers
application
before
building
control
don't
electricians' talk
looking
niceic
notify
off
Hi
I would appreciate it if anyone can find some questions with answers or links or materials for Inspection and Testing C&G 2391.
I am very grateful for any help.
nazoom
Thread
2391
answers
c&g
electricians' talk
help
help!
please
questions
:oI am studying for my 2391 exam I have been reading through lots of past papers,I was wondering if any one could copy and paste the shortest acceptable answer the exam board would accept when asked : describe how you would carry out an insulation resistance test,an earth loop impedance test and...
Hi guys sorry just a few more questions i need help on much appreciated.
1.What do we mean when we talk about ‘decommissioning of electrical systems’?
2. Which three electrical tests are likely to be carried out by a plumber?
3. Which two items of equipment would be used?
4. What...
Delboi1992
Thread
answers
black
course
electrical work
electricians' talk
please
sheet
through
A bit of a strange one.
Second fixed downlights to a new kitchen ceiling after it had been skimmed and painted, no problems everything tested OK both live and dead,
During week plasterer returns and re plasters all the walls. He has used metal angle bead on all the external corners. Where...
Getting really frustrated now, as I have posted a thread about testing insulation resistance on a 3 phase motor and central heating system.
I have had people saying that you test parts of a central heating system such as boiler, valves, stats etc on 250v. And test 500v up to the spur.
But...
Hi
I have noticed a few threads regarding these two cards.
My question is as there seems to be a quite a few jobs out there which require this card which one am I able to get to enable me to gain work with the companies who are asking for this?
I have looked on the websites but dont think...
Hi all new to this site ,just completed 2391 practicle ,went fine ,but got exam on the 22 july.attained a copy of junes exam would like to know if anyone has the answers so i can check my work.help much appreciated.
Hi, i have city & guilds 2330 302 & 303 past paper exams with answer for sale
The exam papers are oringinal city & guilds test papers which were taken around 3 years ago,
The information in these exam papers will come up in your 302 and 303 writen exams
For
302: 2 past papers and answers...
Guys,
can you answer these questions asap
have a bs 3036 fuse how do i find out the fuse type for the domestic installaion certificate, have found device designation in osg and rated short circuit capacity (ka) but sure what to put down.
also can you remind me got pfc of 783a am i right i...
Best EV Chargers by Electrical2Go! The official electric vehicle charger supplier.
OFFICIAL SPONSORS
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc