|Warranty, Regulatory Information, and Specifications 21Repairs to certified equipment should be made by anauthorized Canadian maintenance facility designated by thesupplier. Any repairs or alterations made by the user to thisequipment, or equipment malfunctions, may give thetelecommunications company cause to request the user todisconnect the equipment.Users should ensure for their own protection that theelectrical ground connections of the power utility, telephonelines and internal metallic water pipe system, if present, areconnected together. This precaution may be particularlyimportant in rural areas.• Users should not attempt to make such connectionsthemselves, but should contact the appropriate electricinspection authority, or electrician, as appropriate.The Load Number assigned to each terminal device denotesthe percentage of the total load to be connected to a telephoneloop which is used by the device, to prevent overloading. Thetermination of a loop may consist of any combination ofdevices subject only to the requirement that the total of theLoad Numbers of all the devices does not exceed 100.FCC Radio Frequency InterferenceStatement for 120-Volt ModelsThis equipment has been tested and found to comply with thelimits for a Class B digital device, pursuant to Part 15 of theFCC rules. These limits are designed to provide reasonableprotection against harmful interference in a residentialinstallation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used inaccordance with the instructions, may cause harmfulinterference to radio communications. However, there is noguarantee that interference will not occur in a particularinstallation. If this equipment does cause harmful interferenceto radio or television reception, which can be determined byturning the equipment off and on, the user is encouraged totry to correct the interference by one or more of the followingmeasures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and thereceiver.• Plug the unit into an outlet on a circuit different from thatto which the receiver is connected.• Consult the dealer or an experienced radio televisiontechnician for help.