pull switch control
b. electricity supply which uses the cable sheath provide earth is
called a:
a. PME system
b. system. TN-S system
c. TN-C-S system
d. one-way switch control
d. two-way switch control.
2. TN-S system
c.
Note: more than one multiple choice answer may correct. one-way switch control
d.
5. two-way switch control. intermediate switch control
c. TN-S system
c. system.
3. electricity supply which the earthing arrangements must be
provided the consumer called a:
a. PME system
b. The main lighting circuit room having only one entrance would
probably be:
a.
6.
4. PME supply
b. system. one-way switch control
d.
Check your Understanding
1. TN-C-S system
d.When you have completed these questions, check out the answers the
back the book. TN-C-S system
d. intermediate switch control
c. two-way switch control. intermediate switch control
c. electricity supply which the protective and neutral functions are
combined called:
a. The main lighting long corridor with many switches would
probably be:
a.
. pull switch control
b. pull switch control
b. The main lighting circuit room having two entrances would
probably be:
a
