Product Manual

Table Of Contents
68 TP-6843 12/21
UHF
ultrahigh frequency
UIF
user interface
UL
Underwriter’s Laboratories, Inc.
UNC
unified coarse thread (was NC)
UNF
unified fine thread (was NF)
univ.
universal
URL
uniform resource locator (web
address)
US
undersize, underspeed
UV
ultraviolet, undervoltage
V
volt
VAC
volts alternating current
VAR
voltampere reactive
VDC
volts direct current
VFD
vacuum fluorescent display
VGA
video graphics adapter
VHF
very high frequency
W
watt
WCR
withstand and closing rating
w/
with
WO
write only
w/o
without
wt.
weight
xfmr
transformer