PS Magazine - TB 43-PS-502
PS, The Preventative Maintenance Monthly
ISSUE 502
SEPTEMBER 1994
Grounding
P
conNeCt Table and fLoor mat ground-
ing CoRds diReCtLy To shop gRouNd. IF you
have moRe than oNe woRkstat±oN in the
same aRea, gRound eaCh one ±Nd±v±du²
ally³ ´eveR ConneCt woRKstations ±N se-
R±es to gRound themµ
ConNect groundinG ±ords
dIre±Uy to shop G²>³Nd
I
•
.f/
·
±,²
1•
."
t
J
MaKe suRe youR gRouNd±ng CoRds aRe
f±rmLy a¶taChed to BaRe metal· not pa¸NT¹
ºEpLaCe youR maT's oR wrist sTRap»s
gRouNdiNg Cord ±F ±t¼s BadLy woRn or Cut¹
REPla±e
worn wr´sT
sµrAP ±ord
j
u
you soldeR at youR woRkstat±oN,
use only a gRounded staTiC½d±ssipative
soLdeRing ±ron and a Low staT±C soldeR
extraCtoR tooL¾ Order these tooLs LoCaLLy
¿Rom CommeRC±al soÀdeR±Ng equ±pment
suppLieRsÁ
Res³stance Checks
f
ÂoÃlow the manufaCtuReRÄs ±NstRuC-
tions and maiNTenanCe data FoR measuRÅ
iNg the ResisTanCe oF youR woRkstat±on
CoÆponentsÁ ÇhatÄs the onÈy way To be
suRe youR worksTat±on's doiNg ±Ts joB oÉ
CarRyiNg sTat±C Charges To gRouNdÊ
,
ËormaÀLy, you need to measuRe the
Res±stanCe ±n the matsÌ gRounding CoRds
onCe a weeK w±Th a ohmmeteR oR mulT±
-
meter.
F
ÍeasuriNg ResisTanCe
m
the wrisT
stRap is espeCiaLLy ±mporTaNt¹ Îhe strap
suÏeRs moRe weaR and ÐeaR thaN any
otheR paRt o¿ youR woRkstat±onÑ ÍeasuRe
±ts ReS±sTaNCe at Least onCe eaCh day
Ò
..¶ a·d wr¸sT
strAP
Óhe wR±st stRap Conta±ns a resistoR to
pRoteCt you agaiNst highÅvoltage shoCKsÊ
IF The Res±sTaNCe is too lowÔ the strap
PS 502
46
SEp 94
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