Y
Yield Strength The minimum stress which a
material will start physically deform without further
increase load. network connected
computers that covers great geographical area.
Water Absorption test determine the water
absorbed material after given immersion period.
Ultraviolet Optical radiation for which the wavelengths
are shorter than those for visible radiation, that is
approximately between and 400 nm.
Voltage Rating The highest voltage that may be
continuously applied wire comformance with
standards.
VW-1 ammability rating established Underwriters
Laboratories for wires and cables that pass specially
designed vertical ame test, (formerly designated FR-1).
Voltage Drop The amount voltage loss from original
input point electrical device.
Wire Gauge system numerical designation wire
sizes.000 km/s
in vacuum.
GLOSSARY TERMS: CABLES AND WIRES
.
WAN Wide Area Network.
Velocity light The velocity light 300.
Unilay Stranding conductor constructed bunch
form having more than one layer concentric stranding
with common length and direction lay and contains
19, 27, and any number strands.1142
U
UL Abbreviation for Underwriter‘s Laboratories, Inc.
Wire conductor, either bare insulated.
Voltage The term most often used place of
electromotive force, potential difference, voltage drop
to designate the electric pressure that exists between
two points and capable producing current when a
closed circuit connected between two points. slender
rod metal usually referring single conductor, such
as size AWG and smaller.
V
VDE West Germany approval agency.
W
Wall Thickness The thickness the applied insulation
or jacket.
Z
Zytel Pont‘s trade name for nylon resins.
X
XLPE Cross-linked polyethylene.
Usually expressed percentage. medium depends the refractive index
and the wavelength.
Velocity Propagation Ratio speed of
electric current insulated cable the speed light.
Volt unit electromotive force
