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Having spent many years gleaning information from you all as a non member I've finally needed to join because, try as I might, I just can't find the answer to this puzzle, so here goes.
I've just installed, replaced really, a TP sub board that's being fed from a Crabtree 60A STD...
Does anyone else have trouble with the plastic retaining clips breaking off? I have real trouble with the multitool. I think the vibrations nacker them. Getting real fed up replacing good condition batteries.
Good morning all,
Apologies if you have gone over this a number of times before (I have tried searching for a thread, and have found some that have touched on what I'm after but not quite explicitly enough).
If the measured PFC is greater than 6ka (for example) with circuit-breakers' breaking...
Im a Part -P, i have 17th and a 2391
i have been doing domestic installs etc, but i have been asked to do some work on a business premises,
i have to surface mount a double socket and connect to an existing ring main
and hang a new light fitting
this is all in the office of the business...
So a conversation with a fellow spark brought into question what exactly are main switches?
Is a 100A main switch a 100A double pole MCB or does the 100A mean its breaking capacity? I'm sure it's the former but I'm beginning to question my own knowledge as he thought differently.
hi i wanna know that what is the abbreviation of ics and icu? and how can i take my ics rating of the breaker? is there any formula or calcualtion? and i wanna know short circuit rating ics of single pole and tripple breaker ? how can i take it?
just wondering is it a legal requirement as an electrician to be registered with a goverment body such as the niceic :
for example if i had the city and guilds 17th edition wiring regs certificate and public liabilities insurance, and went to a customers house and changed a consumer...
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