Post on 23-Jun-2020
Selectahead Electrical Installation Level Two Puzzle
Unit
Numbers
1 Working Effectively & Safely
1a Legal Responsibilities
1b Occupations and Job Roles &
1c Communications
2 Principles of Electrotechnology
2a Basic Units and Theory
2b Scientific Concepts
2c Basic Electrical Circuits
2d Tools and Equipment
3 Application of Health and Safety and Electrical Principles
3a Safe Systems of Work
3b Using Technical Information
3c Alternating Current and Electrical Machines
3d Three Phase Electrical Systems
3e Overcurrent, Short Circuit and Earth Fault Protection
4 Installation (Building and Structures)
4a Statutory Regulations and Codes of
4b Electrical Installations and Wiring Systems
- Puzzle Book Answers
Published by
SELECTahead Limited,
141 Hillside Road,
Corfe Mullen, Wimborne, Dorset. BH21 3SE
Telephone: 01202 - 640369
Website: www.selectahead.co.uk
Email: selectahead@btinternet.com
Copyright Statement The “Purchasing Organisation” can freely reproduce this publication. This right is NOT transferable to any
third party who did not purchase this product directly from SELECTahead Limited. Every effort has been
made to contact copyright holders of material reproduced in this ‘Puzzle Book’. Any errors or omissions will
be rectified in subsequent printings if notice is given to SELECTa
Electrical Installation Level Two Puzzle Book Extract
Contents
Working Effectively & Safely
Legal Responsibilities
ions and Job Roles & Specialism’s
Electrotechnology
Basic Units and Theory
Scientific Concepts
Basic Electrical Circuits
Tools and Equipment
Application of Health and Safety and Electrical Principles
Safe Systems of Work
Information
Alternating Current and Electrical Machines
Three Phase Electrical Systems
Overcurrent, Short Circuit and Earth Fault Protection
Installation (Building and Structures)
Statutory Regulations and Codes of Practice
Electrical Installations and Wiring Systems
Puzzle Book Answers
Corfe Mullen, Wimborne, Dorset. BH21 3SE
Fax: 01202-696591
www.selectahead.co.uk
selectahead@btinternet.com
The “Purchasing Organisation” can freely reproduce this publication. This right is NOT transferable to any
t purchase this product directly from SELECTahead Limited. Every effort has been
made to contact copyright holders of material reproduced in this ‘Puzzle Book’. Any errors or omissions will
be rectified in subsequent printings if notice is given to SELECTahead Limited.
Book Extract
Page
Number
3
4
11
15
19
20
24
28
33
Application of Health and Safety and Electrical Principles 38
39
44
47
51
55
59
60
63
71-124
The “Purchasing Organisation” can freely reproduce this publication. This right is NOT transferable to any
t purchase this product directly from SELECTahead Limited. Every effort has been
made to contact copyright holders of material reproduced in this ‘Puzzle Book’. Any errors or omissions will
Selectahead Electrical Installation Level Two Puzzle Book Extract
All the words are connected with Health and Safety. The words have been printed
across (backwards or forwards), or up and down, or diagonally, but always in a
straight line. Can you find them?
Hidden Words
Appointed Person Eye Protection Trailing Cables
Risk Duty Holder First Aid
Hazard Fire Triangle Legal Duties
Precautions Warning Signs Risk Assessment
Trained Accident Book HSE
Accidents Electric Shock Instructions
PPE Slips Safety First
Manual Handling Trips Fire Extinguisher
Waste Disposal Falls Fire Alarm
COSHH Access House Keeping
Tip: Cross the words out as you find them Version 1
Z W M D T L Y S E I T U D L A G E L L B W
G R R V T H A Z A R D W G K K L V F P R K
L B Q R L G N I P E E K E S U O H I N I J
A T L K D Q C G C N V M I T D N K R O S G
S R J M C P C W S N F R S K M R C E S K L
O A K Q D P R P S I M R D A Y S O E R A F
P I Q G Y U I E R P I Y C L T N H X E S I
S L B W N R T S C F I C F R R O S T P S R
I I X K T I T Y Y A I L R T A I C I D E E
D N C C R A L T H D U X S W I T I N E S T
E G C V I L E D E O K T A T N C R G T S R
T C A D G F V N N L L R I F E U T U N M I
S A B C A V T Q J A N D J O D R C I I E A
A B L S C S R V J I H H E T N T E S O N N
W L F W K E H Z N W Q L E R T S L H P T G
K E D M P H S G R J D N A S D N E E P R L
Z S L X S X S S Q H Y Q J U H I M R A B E
B M R O T I R M G K O O B T N E D I C C A
Z F C R G F A L L S Y C Y M B A E P P X B
G D Q N R D R F I R E A L A R M M K Q K L
L T S L B L K E Y E P R O T E C T I O N X
Selectahead Electrical Installation Level Two Puzzle Book Extract
This crossword is all about the Theory of Electricity in an Electrical Installation
context but can you solve the clues?
Across Down
1 The amount of phases in a domestic 230 volt
supply 1
If there is only one path for the electrons to
take between any two points in a circuit, what
is this type of circuit called?
2 Which connection within an electrical circuit
provides protection to the user? 2 Electricity is the flow of these
3 What is electrical pressure and creates
current flow? 4
Type of electrical current commonly used in
homes and businesses throughout the world
6 Material that is a good conductor 5 The flow of electricity continuously in one
direction is known as this
9 There are 50 of these in a domestic voltage
supply 7
Relationship between current, voltage, and
resistance is known as this law
11 Electrical current is measured in this 8 Material that is a good insulator
12 What is the SI measurement of force? 10
If there is more than one path that electrons
flow through at the same time, what is this
type of circuit called?
14 What is electricity that is not flowing known
as? 13 The centre of an atom is called this
16 The SI unit that measures potential difference
is what? 15 A watt is the measurement of what?
18 Positive charged particles are known as this 17 What is fitted to an electrical circuit to
provide protection to the wiring?
20 What is a force of attraction or repulsion that
acts at a distance known as? 19
What is the SI unit of measurement of
resistance?
1
2 3 4
5
6 7 8
9
10
11
12 13
14
15
16
17
18 19
20
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Selectahead Electrical Installation Level Two Puzzle Book Extract
All the words are connected with Scientific Concepts in Electrotechnology. Solve the
clue first then find the words in the word search grid. The words have been printed
across (Backwards or Forwards), or up and down, or diagonally, but always in a
straight line. Can you find them?
Hidden Words
1 A good insulating material 12 Component used to change the value of
alternating current
2 A good conducting material 13 Power transmission network
3 A metal that contains iron is called this 14 Law about electromagnetic induction
4 A metal that does not contain iron is called
this 15 The first windings of a coil are known as this
5 A mixture of two or more metals is called
this 16 Batteries are made-up of a number of these
6 Destruction of metal by chemical action is
called this 17
The flow of electrical current in a circuit causes
this
7 Type of electrical circuit 18 A negatively charged particle is known as this
8 Type of test meter that has a moving
pointer 19
The drift of electrons within a conductor is
known as this
9 This is set-up around a conductor when
current flows 20
Law that shows the relationship between voltage,
current and resistance
10 These lines never cross when describing
magnets 21
The total opposition to current flow within an AC
circuit is called this
11 Unlike poles do this
Tip: Cross the clues out as you find the words.
Z A T T R A C T V C C R J C F T K N L
H E M N Y V D J H C E B O A C P T C M
L K U S E I R E S P P R R H N B N K Z
X X R G K Y N Y P Y R A M A M W E L Q
F E R R O U S O Q O D N L L Y L R K W
L T P T F L C T S A T R Z L N D R D J
Y J R H R Y A I Y F A E Y O T R U L X
R N T T G A O N R J E B K Y N P C E H
L C O L W N N V A S H B M X A T L I P
R R X N Y T Z S M P L U N V T Y A F W
R Y N W F N F H F R C R J P I G C C F
M M M L M E O N X O N C P M O L I I D
L F K X P N R S G R R X H V N N R T T
L P L T Q V B R L X U M C L A Y T E K
V Y R A M I R P O L N N E R L B C N L
B G H T R P X K F U E G Q R G Z E G R
R K G N L V N Q J Y S C M G R T L A F
L Z D P L S N O R T C E L E I Q E M B
I M P E D A N C E N T K Z X D F J W H
Selectahead Electrical Installation Level Two Puzzle Book Extract
Detailed below are fourteen questions about metals, divided into two tables. Table A
is a list of metals and you are asked to decide which are ferrous or non-ferrous.
Table B contains questions that require a true or false answer.
Table A Non-Ferrous or Ferrous
1 Mild Steel Non-Ferrous Ferrous
2 Brass Non-Ferrous Ferrous
3 Carbon Steel Non-Ferrous Ferrous
4 Aluminium Non-Ferrous Ferrous
5 Cast Iron Non-Ferrous Ferrous
6 Stainless Steel Non-Ferrous Ferrous
7 Silver Non-Ferrous Ferrous
8 Wrought Iron Non-Ferrous Ferrous
Table B True or False
9 Stainless Steel is an alloy of iron, nickel and
chromium. True False
10 Brass is an alloy of copper and zinc. True False
11
Copper is resistant to corrosion but it changes
colour from the usual reddish orange to reddish
brown
True False
12 Aluminium is toxic and this property makes it
not suitable as a cooking material True False
13 Cast iron is an alloy of iron and carbon True False
14 Silver is a very good conductor of electricity True False
Selectahead Electrical Installation Level Two Puzzle Book Extract
This crossword is all about Electrical Circuits and Cabling but can you solve the clues?
Across Down
1 Provides circuit protection 2 Type of cable which is flexible and may contain
seven of these but not used on fixed wiring
3 Device which provides overcurrent protection
(Initials) 4
Colour of the live conductor after 31 March
2006 in single phase fixed wiring
6 Linking together of exposed metal parts for
safety is known as this (2 words) 5
Circuits are controlled by these when under
normal conditions (2 words)
7 Local distribution from sub-stations is made by
placing cables out of sight 8
Brown, black and one other are the new line
conductor colours
9 Carries voltage and current which powers the
load 12
Part of a cable that offers protection from
mechanical damage (2 words)
10 Name of a domestic circuit 13 The part of cable that carries the electrical
load
11 Part of a cable that is colour coded for
identification 14
PVC cable insulation becomes this at low
temperatures
16
Type of cable which is waterproof and fire
resistant and may be used on petrol pumps (2
words)
15 All line conductors carry the same current in
this application (2 words)
17 Green combined with yellow for this conductor 18 Colour of the neutral conductor before harmonisation on single phase fixed wiring
19
Extraneous conductive part with many
examples found in each room of a domestic
property
20 Source of DC electrical energy
1 2 3 4 5
6
7 8 9
10
11 12 13
14 15
16
17
18
19
20
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