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1. Vocabulary
These are the core words you need for work in the electrical trade.
Learn them well before you move on to the reading and writing sections
below, since the exercises there use this vocabulary.
Svenska
English
kabel / ledning
wire / cable
säkring
fuse
jordad
earthed / grounded
spänning
voltage
ström
current
brytare
switch
uttag
socket / outlet
säkringsskåp / elcentral
fuse box / consumer unit
kopplingsschema
wiring diagram
isolering
insulation
kortslutning
short circuit
skyddsutrustning
protective equipment
mätare / multimeter
meter / multimeter
installation
installation
felsökning
troubleshooting
Multiple choice
1
"Säkring" means...
fuse — a "säkring" protects the circuit if the current gets too strong.
Fill in the blank
2
The wires must be properly ______ so no one gets an electric shock. (isolerade)
insulated — insulation stops electricity from passing through by accident.
Fill in the blank
3
Before you touch any wires, always check the ______ first to make sure the power is off. (säkringsskåpet)
fuse box (or "consumer unit") — that is where you switch off the current.
Fill in the blank
1
The electrician used a ______ to check whether the circuit still had power after switching off the fuse.
meter / multimeter — never assume a wire is safe just by looking at it.
Choose & explain
2
"Always make sure the appliance is properly ______ before you connect
it in a wet area." Choose between insulated and
earthed, and explain the difference between the two words.
earthed fits best here — it is specifically about a safe path for a fault current to the ground. Insulated means a material blocks current from passing through at all; earthed means a deliberate safe path exists if something goes wrong.
Write
3
Write two sentences describing how you would troubleshoot a fuse box
that keeps tripping.
Example: First I would switch off all the switches and turn them back on one at a time. If one switch causes a short circuit, I would check that circuit's wiring diagram before doing any more troubleshooting.
Explain
1
Explain the difference between a short circuit and simply a blown
fuse, in your own words, using vocabulary from this section.
A short circuit is a fault: current takes an unintended path with very low resistance, causing a sudden surge. A blown fuse is often the safe result of that fault — the fuse is designed to break the circuit before the surge causes a fire.
Scenario
2
A customer says: "The socket doesn't work, but the light in the same
room works fine." Write two possible causes, using vocabulary from
this list.
Example: The socket could be on a different switch or a different fuse than the light. There could also be a loose wire or connection inside the socket itself, which a multimeter could confirm.
2. Reading
Choose the level that fits you. Each level has its own text and
questions about the electrical trade.
Apprentice Electrician Wanted
ABC Elektro is looking for an apprentice electrician. You will work
with an experienced electrician every day. Your tasks: install wiring
in new houses, check fuse boxes, and learn to read a wiring diagram.
Requirements: you must wear protective equipment at all times. You
must be careful and follow safety rules.
Start date: as soon as possible. Send your application to
jobs@abcelektro.se.
Adapted text for Foundation level.
Multiple choice
1
What will the apprentice learn to read?
a wiring diagram — the ad says the apprentice will learn to read a wiring diagram.
Comprehension
2
What must you always wear during the job, according to the ad?
Protective equipment, at all times.
Comprehension
3
How should you apply for the job?
Send an application by email to jobs@abcelektro.se.
Working with Electricity: Basic Safety Rules
Before you start any electrical work, always switch off the current
at the fuse box. Never assume a wire is safe just because it looks
disconnected. Check it with a multimeter first. A short circuit can
happen in a fraction of a second and cause a fire or a serious
injury.
All electricians must wear protective equipment, including insulated
gloves and safety glasses, when working near live circuits. If you
are unsure whether a socket or switch is earthed correctly, stop and
ask a supervisor. Guessing is never acceptable in this trade.
When you finish a job, always double-check your work against the
wiring diagram. A small mistake in the fuse box can affect an entire
building. Troubleshooting takes patience: work step by step, and
never skip a step just to save time.
Written as course material.
Multiple choice
1
What should you do before assuming a wire is safe?
check it with a multimeter — the text says never assume a wire is safe just because it looks disconnected.
Comprehension
2
According to the text, what can happen in a fraction of a second if
there is a short circuit?
It can cause a fire or a serious injury.
Comprehension
3
Why does the text say guessing is never acceptable?
Because getting it wrong with electricity can cause serious injury or fire. If you are unsure whether something is earthed correctly, you must ask a supervisor instead of guessing.
Incident Report: Unexpected Power Loss
On Tuesday, an apprentice was asked to replace a faulty socket in an
office building. He switched off the relevant fuse in what he
believed was the correct fuse box, but the building had two separate
fuse boxes serving different floors, and the wiring diagram he used
was outdated.
When he began working, the socket was still live. He received a mild
shock but was wearing insulated gloves, which prevented serious
injury. Work stopped immediately, and a senior electrician was called
to the site.
The investigation found that the wiring diagram had not been updated
after renovation work two years earlier. The company has now
introduced a new rule: no apprentice may begin work on a fuse box
without a supervisor confirming that the current wiring diagram
matches the actual installation.
This incident illustrates a wider issue in the trade: documentation
is only useful if it is kept up to date. Even experienced electricians
can be caught out by outdated records, which is why isolation should
always be confirmed with a multimeter, never assumed from a diagram
alone.
Written as course material.
Inference
1
What was the real root cause of the incident, according to the
investigation, not just what the apprentice did wrong?
The wiring diagram had not been updated after renovation work two years earlier, so the apprentice was working from outdated, incorrect documentation.
Comprehension
2
What new company rule was introduced after the incident?
No apprentice may begin work on a fuse box without a supervisor confirming the current wiring diagram matches the actual installation.
Extended answer
3
The text says "documentation is only useful if it is kept up to
date." Explain in your own words why this matters for electricians
specifically, using an example from the text.
Electricians rely on wiring diagrams to know which fuse controls which circuit. If a building is renovated and the diagram is not updated, the diagram becomes actively misleading, not just outdated, which is exactly what happened to the apprentice in the report.
3. Writing
Guided writing
1
Write about a future job in the electrical trade. Use these
sentence starters: "I want to work as a...",
"A typical day includes...",
"The most important safety rule is..."
There is no single correct answer. Check that you used at least two words from the vocabulary list and that each sentence has a subject before the verb.
Paragraph writing
1
Write a short paragraph (5-8 sentences) describing a typical work
task for an electrician, from start to finish. Use at least four
words from the vocabulary list.
There is no single correct answer. Check that your paragraph has a clear order (first, then, finally) and that you used at least four vocabulary words correctly.
Extended writing
1
Imagine you are training a new apprentice on their first day. Write
instructions (150+ words) explaining the most important safety
rules and how to avoid the kind of incident described in the
Challenge reading text.
There is no single correct answer. Check that you cover at least three concrete safety rules, that you refer to the incident report, and that your instructions are written directly to the new apprentice (imperative or "you" form).
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