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