Electrical Installation Tester
Safety
3
• Connect the common test lead before the live test lead and
remove the live test lead before the common test lead.
• Replace the batteries when the low battery indicator shows
to prevent incorrect measurements.
• Use only specified replacement parts.
• Do not use the tester in distribution systems with voltages
higher than 550 V.
• 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.
Table 1. Symbols
Symbol Description Symbol Description
Fuse.
Caution! Risk of Electric
Shock.
Conforms to requirements
of European Union and
European Free Trade
Association.
Important information. See
manual.
Double Insulated (Class II)
Equipment
Earth Ground
Do not use in distribution systems with voltages higher than 550 V.
CAT III /
CAT IV
CAT III Testers are designed to protect against transients in fixed-
equipment installations at the distribution level; CAT IV Testers are
designed to protect against transients from the primary supply level
(overhead or underground utility service).
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