A basic introduction to BS7671 A2 2022

What does BS stand for in BS 7671

• British standard

• band stand

• bachelor of science

• bar series

What does MET stand for?

• many earth terra's

• memory enhancement technology

• Main earth terminal

• mission essential task

Which of the following instalations is excluded fom the scope of BS 7671?

• a permanent electrical installation in a caravan

• equipment of a mobile and fixed offshore installation

• highway power supplies and stree furniture

• a teemporary electrical installation on a construction site

How many named parts are in the BS 7671 ?

• 8

• 7

• 1

• 10

cpc stands for what?

(a)  

Which of the following supply chracteristics would need to be determined for an installation

• supply transformer type

• number of points to be utilised

• supply cable type

• External fault loop impedance (Ze)

An electrical system in which the earth supply comes from an earth electrode is a TT system true or false?

(a)  

Ammendment 2 of the BS7671 18th edition came out in March 2022, the previous standard was withdrawn in the same year, but what month was it withdrawn?

• September

• July

• March

• August

What does this triangle represent?

• A power triangle

• Ohms law

• Resistivity triangle

• YMCA's younger brother

What does the ohms symbol look like?

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