User manual

Users should not attempt to make such con-
nections themselves, but should contact the
appropriate electric inspection authority,
or an electrician, as appropriate.
The Load Number (LN) assigned to each terminal device
denotes the percentage of the total load to be connected to a
telephone loop which is used by the device, to prevent over-
loading. The termination on a loop may consist of any combi-
nation of devices subject only to the requirement that the total
of the Load Numbers of all devices does not exceed 100.