6. Answer the questions.

1 What does AC stand for? 2 What does DC stand for? 3 How are they different?

Unit 12 Electrical Safety

• What are some of the hazards of working

with electricity?

• What are some of the risks people may

take when doing electrical repairs?

1. Read the text.

Though electricity is a part of everyday

life, it still has many hazards. Following a

few simple safety rules can save your life.

Electricity shocks people when their bodies become part of electrical path between:

• A live wire and the ground or • Two live wires with opposite charges

Being shocked can cause serious burns. It can also paralyze muscles. Electrocution is also a major risk when working with electricity. To reduce electrical safety hazards always:

• De-energize power sources before working with electrical equipment

• Follow lockout / tagout procedures

Remember: all electricity, including static electricity, can be dangerous. Never take risks.

II. Say if the statements as true (T) or false (F). 1. Static electricity is not dangerous.

2. Lockout / tagout procedures cause electrocution. 3. Electric shocks can paralyze muscles.

III. Read the sentence pair. Choose where the words best fit the blanks.

1 burn / live wire

A Touching a _____ is very dangerous. B A serious ______ should be seen by a doctor.

2 de-energize / electrocution

A Electricians ___ sockets before they work on them. B ___ can be prevented by following safety rules.

3 risk / static electricity

13

A ____often builds up on door knobs. B There is always a ______ of getting hurt at work.

IV. Match the words with the definitions: shock _ paralyze _ lockout / tagout procedure _ hazard

A something that is not safe C to pass electricity through the body

B to make the muscles stop moving D locking energy sources and label the equipment when it's repaired

V. Listen to a conversation and choose the correct answers.

1 Why is the man working with the woman?

A to learn how to work with electricity C to learn which safety equipment to wear

B to learn safety procedures on the job D to learn how to turn off electricity

2 What is the last step in the procedure?

A turn off the electricity C turn on the power again

B lock the electrical box D put a tag on the equipment

VI. Listen again and complete the conversation.

Electrician 1: Thanks for letting me 1 _______ this week.

Electrician 2: No problem. This job has a lot of 2 ____ . It's important to learn safety procedures.

Electrician 1: So yesterday you were telling me about the 3 _____ .

Electrician 2: Right. Basically, never start working on electrical equipment until you know the 4 ____.

Electrician 1: OK, that makes sense. Is that all?

Electrician 2: No. Then you 5 _____ so that no one can turn it on again.

Electrician 1: Got it.

Electrician 2: Finally, 6 ______ being repaired.