TEST 118Cambridge IELTS Trainer · Questions 25–30Light installationLabel the diagram below.Write the correct letter A-I next to questions 25-30.Light installationTap the picture to open it full size.25wall— choose —ABCDEFGHI26electric wire— choose —ABCDEFGHI27fibre optic cable— choose —ABCDEFGHI28wooden post— choose —ABCDEFGHI29glass cap— choose —ABCDEFGHI30acrylic rod— choose —ABCDEFGHI