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