Faulty insulation can result in voltages on parts of appliances
that are not intended to carry current.
Dangerous voltages occur most frequently on metal casings of
electrical appliances. To exclude the possibility of danger to
people using such appliances, a safety lead is installed that is
connected to the N-lead of the household electric circuit. A short
circuit then results when, for example, there is a voltage on the
metal casing of an appliance. The safety fuse is triggered.
How is it possible to prevent dangerous voltages from occurring
on conductive casings of electrical appliances?
Set up an electric circuit with a safety fuse, switch, filament
lamp and casing. Use the person model to examine the
function of a safety lead.
| Materiallist (Excerpt) |
Product |
Amount |
|
Power supply 0...12 V DC/ 6 V, 12 V AC, 230 V
|
13505-93
|
1
|
|
Model person for electrical safety, SB
|
05680-00
|
1
|
|
On-off switch module, SB
|
05602-01
|
1
|
|
Socket module for incandescent lamp E10, SB
|
05604-00
|
1
|
|
Interrupted connector module, SB
|
05601-04
|
2
|
|
Bell gong on 4-mm-plug
|
05673-02
|
1
|
|
Junction module, SB
|
05601-10
|
2
|
|
Angled connector module with socket, SB
|
05601-12
|
1
|
|
Straight connector module, SB
|
05601-01
|
3
|
|
Angled connector module, SB
|
05601-02
|
4
|
|
T-shaped connector module, SB
|
05601-03
|
2
|
|
Filament lamps 12V/0.1A, E10, 10
|
07505-03
|
1
|
|
Iron wire, d = 0.2 mm, l = 100 m
|
06104-00
|
1
|
|
Connecting plug, 2 pcs.
|
07278-05
|
1
|
|
Alligator clips, bare, 10 pcs
|
07274-03
|
1
|
|
Connecting cord, 32 A, 500 mm, red
|
07361-01
|
1
|
|
Connecting cord, 32 A, 500 mm, blue
|
07361-04
|
2
|
|
Connecting cord, 32 A, 250 mm, red
|
07360-01
|
1
|
|
Connecting cord, 32 A, 250 mm, blue
|
07360-04
|
1
|
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