P2B

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C T W Y O Y Y E X E B R O W N R W Y Q O Q
C A D D A Y Y E W R L V D C P T E E C D U
Q B A I L G P L D K F E Q I E L E G J P T
C F B D T W F E J Q H N S P B X V C A B N
T G O N E T O C A J K N S A B I T N M I S
N R M Q R I Y T K P W W E T W N O J Y K L
D E A E N M E R P H S S C N E E P P R R D
H E F J A S U I A G U B H E T C L J M A V
T N D E T T U C N E L S T R G R F P Y S X
K A X U I M Q I R H A A D R S R U S R O Q
I N M L N R M T W V R R J U Q A I C N L B
N D E B G J H Y X W O E P C J W V Y I Q X
W Y L Q C P C S F P T P W T B B E X J S M
I E T W U C C U C T A A I C A N E C J Q F
R L S Q R C G P J V L E C E C C B V Q J S
N L J U R V H P R O U H L R N D O C B C P
X O W P E H P L B V S C K I M H F L T K I
A W Y E N J K I T E N F V D S V G R D V X
Q Q R K T J G E C G I M R E C C P I X W M
K J F L U Q I S O T B P X Y E E D K X S D
S U A U V I H J E V I A Q D F L A P D D S

Clues

  • An oscilloscope measures... (11, 8)
  • Battery electricity is... (6, 7)
  • Earth wire is... (5, 3, 6)
  • Live wire is... (5)
  • Mains electricity is... (11, 7)
  • Neutral wire is... (4)
  • What does the fuse do if the current is to large? (5)
  • Why are circuit breakers better than fuses? (9)
  • Why are fuses better than circuit breakers? (7)
  • Why are the wires in a plug encased in plastic? (9)

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