Earthing Systems Crossword Puzzle

QUESTIONS LIST:

• earth : the general mass of ..... is used for a tt system.
• tt : this system uses an earth electrode.
• tncs : which system uses a combined earth and neutral conductor?
• tns : this system uses the external braid as an earth conductor.
• electrode : what is the technical term for an earth rod?
• terra : this is latin for "earth"
• pen : these 3 letters represent the combined earth and neutral conductor.
• building site : a tt system is required by law to supply electricity to this type of installation.
• combined : this word is represented by the letter "c"
• separated : this word is represented by the letter "s"