Sec.  15.603   Definitions.

   (a) Excluded Band: A band of frequencies within which Access BPL operations
   are not permitted.

   (b) Exclusion Zone: A geographical area within which Access BPL operations
   are not permitted in certain frequency bands.

   (c) Consultation. The process of communication between an entity operating
   Access BPL and a licensed public safety or other designated point of contact
   for the purpose of avoiding potential harmful interference.

   (d)  Consultation  area:  A  designated geographical area within which
   consultation with public safety users or other designated point of contact
   is required before an Access BPL may be operated at designated frequencies.

   (e)  Low Voltage power line. A power line carrying low voltage, e.g. ,
   240/120 volts from a distribution transformer to a customer's premises.

   (f) Medium Voltage power line. A power line carrying between 1,000 to 40,000
   volts from a power substation to neighborhoods. Medium voltage lines may be
   overhead or underground, depending on the power grid network topology.

   (g)  Access BPL Database. A database operated by an industry-sponsored
   entity, recognized by the Federal Communications Commission and the National
   Telecommunications  and  Information Administration (NTIA), containing
   information regarding existing and planned Access BPL systems, as required
   in  Sec. 15.615(a) of this chapter.