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