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aroun and batte
called d the circ ries supp
suppl direct cu uit in one ly curren
and p y passes rrent, cu directio t that pas
curre asses in a in one dir rrent from n. Thi ses
s is
50 he nt). Frequ nother d ection, th the mai
times rtz theref ency of t irection. ( en reversns
230V each sec ore it alte he UK ma Alternatin es
. ond. V rnate in g
oltage s direcs supply i
of the tion 50 s
s is
Live wire of the mains supply alternates between a positive and a
negative potential with respect to the neutral wire. Neutral wire stays
at zero volts. The live wire alternates between +325 volts and -325
volts. In terms of electrical power this is equivalent to a direct
potential difference of 230 volts.…read more

Slide 3

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are o
Using f over
electr long
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Over icity n yed c
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Appli i r m ly to t p l u g
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attach ances ermin corre r cable
ed to w i t h m a l o f corr ct cable , no bar
the ea al cas e t ect pi must e
Appli rt h wir e s must n . b e
they aances wit e in th b
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with t re doubl h plastic le. , case
neutr wo core ce insulate cases do n is
al wir able c d and o
e. ontain are cot need to b
ing ju n e
st a li nected to earthed
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da…read more


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