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Worksheetssafe isolation
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
what does AVI stand for
a)
acme voltage indicator
b)
approved voltage isolator
c)
approved voltage indicator
d)
approved velocity indicator
2.
how long should exposed AVI tips be
a)
6mm
b)
4mm
c)
4mm ideally 2mm
d)
4m ideally 2mm
3.
guidance note ..............refers to AVI's
a)
gs 36
b)
gs 38
c)
gs 37
d)
gs 39
4.
An AVI should be fused at
a)
500 mA
b)
600mA
c)
300mA
d)
200mA
5.
how many test procedures are there for single phase
a)
10
b)
3
c)
4
d)
7
6.
how many test procedures are there for three phase
a)
3
b)
10
c)
12
d)
14
7.
how many steps are there to safe isolation
a)
5
b)
6
c)
7
d)
8
8.
what do we use to check our AVI is working
a)
plug top
b)
lighting circuit
c)
proving unit
d)
known source
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