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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.
CAUTION:
User should not attempt to make such connections themselves,
but should contact the appropriate electric inspection authority
or electrician, as appropriate
SECONDARY CIRCUIT PROTECTION
IMPORTANT INFORMATION
This equipment is for use on telephone wiring containing a secondary circuit protector. This paging
equipment requires a secondary circuit protector where applicable (see Figure 7).
The secondary circuit protector must be located between the primary protector and the paging
equipment. Refer to the Safety Information below.
Figure 7. Example Configuration Requiring Secondary Protection
When Paging Equipment is Connected Directly to the Telephone Network
