Shared Flashcard Set

Details

NCT4
Network Tech 4 Module 5
9
Communication
Professional
02/01/2015

Additional Communication Flashcards

 


 

Cards

Term
60-90 VAC
Definition
voltages used by power supplies
Term
Batteries provide ____ hours of backup power
Definition
3
Term
batteries should be inspected every
Definition
3 to 6 months
Term
torque each battery connection to
Definition
60 inch pounds
Term
differences in battery volatge should not exceed
Definition
.3 VDC
Term
Group 31
Definition
size of batteries used in power supply, 70lbs
Term
batteries shouls be replaced after
Definition
2 years
Term
If a batteries voltage remains above 34VDC for five minutes, of if it drops below at all
Definition
re apply utility power
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