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