Triplett 310 - Manual (Page 4)

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SAFETY RULE 3
This tester has been designed with your safety in mind.
However, no design can completely protect against in-
correct use. Electrical circuits can be dangerous and/
or lethal when lack of caution or poor safety practices
are used.
WARNING
This meter is NOT to be used to measure High Energy
circuits (power circuitry fused at greater than 4KW, such
as distribution circuits, power entrance circuits, etc.) or
circuits classified by CE as CATEGORY III (CAT III).
SAFETY RULES AND WARNINGS
s Read all instructions in this manual before using this meter.
s Prior to using this meter in any situation which could result
in injury to the user, in order to verify that the meter is
functional and producing a valid reading, test the meter on
a circuit(s) known to have potentials equivalent to the
potential that is to be measured. For example, before using
the meter to determine if an AC power line is energized with
120VAC, test the meter on a line known to be energized
with 120VAC.
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