MHz
DB/100 ft
MHz
DB/100 ft
350
2.42
450
2.86
500
2.90
b.
Provide 625 Series cable with an NFPA 70 rating of CATVR and the
following characteristics:
(1)
Copper-clad aluminum center conductor
(2)
Seamless aluminum tubing shield
(3)
Expanded polyethylene dielectric
(4)
(5)
Nominal diameter over outer conductor:
15.88 mm 0.625 inches.
6.79
dB/100m 2.07 dB/100 feet
(7)
Black medium density polyethylene jacket
(8)
Nominal 87 percent velocity of propagation
2.3.2.2
Feeder Cable
**************************************************************************
NOTE: CATVP is plenum rated cable. Provide type
CATVP plenum rated cabling in ducts, plenums and
other air-handling spaces. Choose the first
bracketed option for CATV cable and the second
bracketed option for CATVP cable throughout. Delete
feeder cable paragraphs for single family housing
units and for small systems where only drop cables
are used.
**************************************************************************
UL 1581, provide RG-11 coaxial trunk cable with an NFPA 70 rating of
[CATV][CATVP] and the following characteristics:
a.
#14 AWG copper-clad steel center conductor.
b.
[Gas injected foam polyethylene][Foam FEP] dielectric with 7.11 mm .28
inches nominal outer diameter.
c.
Bonded foil inner-shield and a minimum of 60 percent aluminum
braid or quad shield.
d.
e.
81 to 84 percent nominal velocity of propagation.
f.
[Black PVC][PVC low smoke polymer or FEP] jacket.
g.
[
CATV
SECTION 16783N
Page 13