Hi! Ive just made an adition to a ring main and now i have to test and fill out a minor electrical installation works certificate. Trouble is i havent done one of these since i was at college during my apprenticeship since ive always worked for a commercial company who had guys to do this for...
i bought (£3 ,not much i know ) 100 multiple choice questions for C&G 2330 level 2 ,then after answering these questions noticed that a number of them were in
the city and guilds site SmartScreen : Home a site available for all people taking this qualification , and obviously these were free...
An automobile repair workshop and showroom which is six years old is of a steel frame
construction with metallic water and oil services entering in the workshop.
The 400/230 V supply forms part of a TN-C-S system, with a Ze of 0.023Ω and a single-phase
PSCC of 10 kA.
The distribution board...
List three instrument tests which are undertaken to confirm the correct operation of a
30mA RCD installed to supplementary protection against direct contact.
State the maximum disconnection time for the following
a) 230 V equipment of a construction site with a TN supply
b) 230 V equipment on a farm with a TN supply
c) 230 V fixed street furniture
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