OES (12-16-19) Flashcards Preview

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Flashcards in OES (12-16-19) Deck (157)
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91

aerial drops must not interfere with what at the pole?

climbing space

92

minimum climbing space from the center of the pole that must be maintained at all times.

30-inch square

93

minimum diameter of drip loop half circle from drop cable grip to the strand

5 inches

94

What siding material needs to be drilled from the inside out?

Wood Siding

95

drop clearance above all points above a flat roof or roofs accessible to people

10.5 feet

96

Why must wall plates have a 7/16-inch hex recess molded into the wall plate?

to hold the F-81 and prevent it from turning

97

span clamps must NEVER be placed over what?

lashing wire

98

How many bonding options are available at fixed dwellings?

6

99

Plastic fasteners must be

UV and ozone stable

100

Underground drop cable restorations requiring splicing must allow only ______
in any cable longer than 60 feet and not crossing a driveway

two splices

101

cable clips must be spaced every _ to _ inches horizontally

18 to 24 inches

102

In an aerial installation, the length of a trap/filter which is installed on a tap must not
exceed

the length of a locking terminator

103

drop clearance from power at the house

12 inches

104

This type of cable should bu used in the vertical run of a shaft or from floor to floor in MDU.

CATVR

105

To prevent cable damage, these must be used over hardline cable
everywhere the hardline cable is lashed up to the strand and is close to the span
clamp location

cable guards

106

drop clearance from phone at the pole

12 inches

107

what must be removed between the house hook and the groundblock?

messenger wire

108

aerial drop routing must follow what, wherever possible?

power service drop

109

Aerial service drops must NEVER me attached to

power service mast, tv antennas, chimneys, lightning rods, or gutters

110

Max length for Series-6 drop cable

150 feet

111

length of grounding conductor or ground wire shall not exceed ____ in length.

20 feet

112

Bonding option 5

grounded metal conduit if the power mast, or the metal conduit between the power meter and the circuit breaker cabinet

113

The bonding wire attachment must accommodate wire sizes from

#6 AWG to #12
AWG solid copper

114

F-ports must have a non-threaded area at the base of the port to accommodate

weatherproofing devices

115

Bonding option 4

metallic meter cabinet

116

All amplifiers must have ___ or ___ ports including the passive port

5 or 9

117

to use cold water pipe as a bonding option, a VOM must measure a resistance of less than___ between bonding point and common house ground

25 Ohms

118

MER 256 QAM Minimum Threshold at CPE

35 dB

119

Downstream SNR Minimum Level

35 dB

120

All connections, EXCEPT those on Customer Premises Equipment (CPE), must be
wrench-tightened to a minimum of

20 inch-pounds