Basic Electrical Installation Work

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