G
Safety warnings
Safety Warnings
and
Precautions
must be read and
understood before the instrument is used. They
must
be
observed during use.
Only use the MTB7671/2 when both polarity indicator
LEDs are lit.
The MTB7671/2 is protected by an integral RCD plug which
MUST NOT
be removed from the tester.
The interlock protected 13 A socket should only be used with
double insulated RCD and Loop testers.
The instrument should not be used if any part of it is damaged.
Replacement fuses must be of the correct type and rating. Failure
to fit the correctly rated fuse may result in a safety hazard.
Only shrouded test leads should be used when measuring the
230 V a.c. mains supply
Users of this equipment and/or their employers are reminded that Health and
Safety Legislation requires them to carry out valid risk assessments of all electrical
work so as to identify potential sources of electrical danger and risk of electrical
injury such as inadvertent short circuits
CAT II - Measurement category II: Equipment connected between the
electrical outlets and the user’s equipment.
CAT III - Measurement category III: Equipment connected between the
distribution panel and the electrical outlets.
CAT IV - Measurement category IV: Equipment connected between the origin
of the low-voltage mains supply and the distribution panel.
NOTE
THE INSTRUMENT MUST ONLY BE USED BY SUITABLY
TRAINED AND COMPETENT PERSONS.
Symbols used on the instrument:
F
Caution: risk of electric shock
G
Caution: refer to accompanying notes
t
Equipment protected throughout by Double Insulation (Class II)
c
Equipment complies with relevant EU Directives
Equipment complies with ‘C tick’ requirements
Do not dispose of in the normal waste stream
