GE Security EST3 Installation And Service Manual page 8

Repairs to certified equipment should be made by an authorized
Canadian maintenance facility designated by the supplier. Any
repairs or alterations made by the user to this equipment, or
equipment malfunctions, may give the telecommunications
company cause to request the user disconnect the equipment.
Users should ensure for their own protection that the electrical
ground connections of the power utility, telephone lines, and
internal metallic water pipe system, if present, are connected
together. This precaution may be particularly important in rural
areas.
Users should not attempt to make such connections
Caution:
themselves, but should contact the appropriate electric inspection
authority, or electrician, as appropriate
The Load Number (LN) assigned to each terminal device
Note:
denotes the percentage of the total load to be connected to a
telephone loop that is used by the device, to prevent overloading.
The termination on a loop may consist of any combination of
devices subject only to the requirements that the sum of the Load
Numbers of all the devices does not exceed 100.
vi EST3 Installation and Service Manual