P2B

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

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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