Information

PN 4477550 October 2015
©2015 Fluke Corporation. All rights reserved.
Specifications are subject to change without notification.
All product names are trademarks of their respective companies.
1662/1663/1664 FC
Electrical Installation Tester
Safety Information
Go to www.fluke.com to register your Product and find more
information.
A Warning identifies conditions and procedures that are dangerous
to the user.
 Warnings
To prevent possible electrical shock, fire, or personal
injury:
Use the Product only as specified, or the protection
supplied by the Product can be compromised.
Carefully read all instructions.
Read all safety information before you use the Product.
Do not use the Product around explosive gas, vapor, or
in damp or wet environments.
Comply with local and national safety codes. Use
personal protective equipment (approved rubber gloves,
face protection, and flame-resistant clothes) to prevent
shock and arc blast injury where hazardous live
conductors are exposed.
Do not use the Product in distribution systems with
voltages >550 V.
Use Product-approved measurement category (CAT),
voltage, and amperage rated accessories (probes, test
leads, and adapters) for all measurements.
The battery door must be closed and locked before you
operate the Product.
Examine the case before you use the Product. Look for
cracks or missing plastic. Carefully look at the insulation
around the terminals.
Do not use test leads if they are damaged. Examine the
test leads for damaged insulation and measure a known
voltage.

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