Any contractor undertaking any type of ground work has to be as certain as possible that the work will not strike or damage any underground services which may be in the location. This means that before a spade is inserted into the ground the contractor must take every precaution to locate and avoid any services.
There are two main tools which are used to locate buried services, and these are the Cable Avoidance Tool (CAT) and the Signal Generator (Genny). The latest versions of these tools are the CAT 4 and Genny 4. The two tools are generally used in conjunction with each other, since the CAT on its' own in Power mode can only locate electricity cables which are live with power flowing through them. If you are certain that you will only be looking for live power cables, it could be argued that you could just use the CAT. However, you can't be certain of this, so it is wise to use both CAT and Genny together.
Read More Information To Visit - CAT 4
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