| Class | Installation | Fees (Not to exceed) |
| A | any installation where the cable for the fixed wiring is exposed or run, directly on a surface without the use of conduit or trunk line. The charge for every point contracted | $30.00 |
| B | any installation where P.V.C. conduit or trunk line forms part of the fixed wiring exposed or concealed. | |
| The charge for every point contracted | $50.00 |
| C | any installation where metal conduit or trunk line exposed or concealed forms part of the fixed wiring. | |
| The charge for every point contracted | $70.00 |
| (Inserted by S.I. 2/1988 and Substituted by S.I. 3/1995) |