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