1.4Electricity and safety (EN)

• Natuurkunde
• Middelbare school
• havo
• Leerjaar 2

Planning

Questions / Check-up

Learning objectives

(Home)Work

Questions / Check-up

Learning objectives

• 1.4.1 You can explain the dangers of using electricity.
  
• 1.4.2 You can explain what circuit breakers (group fuses) do.
  
• 1.4.3 You can explain what ‘single insulation’ and ‘double insulation’ mean.
  
• 1.4.4 You can explain what earth leakage circuit breakers and earth connections do.
  
• 1.4.5 You can write down and identify the safety features, both in real life and in photos.

What are the dangers of elektricity?

1.4.1 You can explain the dangers of using electricity.

Overloading (>16Amps or .... Watts)

(overbelasting)

Short-circuiting

(Kortsluiting)

1.4.2 You can explain what circuit breakers (group fuses) do.

Overload/ Short-circuit?

more then 30 mA between neutral and live wire 

Overload/ Short-circuit?

More then 30 mA difference?

Huiswerk

H1P4 opgaven 1,2,4 en 5

Questions?
(Home)Work: 1.4 ex. 1-4