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6 - 3
Cha pt er 6: Ra ck In s t a ll a t i on
Reduced Airfl ow
E qu i pm e nt sh ould b e mount e d i nto a ra ck s o t ha t t he a mount of air fl ow re qu ire d
fo r sa f e op era t i on is not comp r om ise d .
Mechanical Loading
E qu i pm e nt sh ould b e mount e d i nto a ra ck s o t ha t a ha z ar dou s cond i t i on do es not
arise du e to un e v e n m e c ha n i c a l lo a d i ng .
Circuit Overloading
C on si d era t i on sh ould b e g i v e n to t he conn e ct i on of t he e qu i pm e nt to t he pow er
s upply c ir cu i t r y a nd t he e ff e ct t ha t a ny po ssi bl e ov er lo a d i ng of c ir cu i t s m i g h t ha v e
on ov er cu rre nt p r ot e ct i on a nd pow er s upply w iri ng . A pp r op ria t e con si d era t i on of
e qu i pm e nt n a m e pl a t e ra t i ng s sh ould b e u se d w he n a dd ressi ng t his conc er n .
Reliable Ground
A re l ia bl e g r ound mu s t b e m ai nt ai n e d a t a ll t i m es. T o e n s u re t his , t he ra ck i t se lf
sh ould b e g r ound e d . P ar t i cul ar a tt e nt i on sh ould b e g i v e n to pow er s upply conn e c -
t i on s ot her t ha n t he d ire ct conn e ct i on s to t he b ra nc h c ir cu i t (i.e. t he u se of pow er
s t ri p s , e tc .).