Protection Against Electric Shock Flashcards
1
Q
What are the 4 common forms of basic protection against electrical shock
A
. Insulation of live parts
. Barriers
. Obstacles
. Placing out of reach
2
Q
What is the minimum voltage for a person to receive a electrical shock
A
50
3
Q
Which forms of protection require a key or tool for removal
A
Switch lock
4
Q
An enclosure has an ip rating of IP44 what does this mean
A
Indicates level of protection
5
Q
In which types of installation are obstacles acceptable
A
. Outdoor
. Industrial
. Temporary
