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14 UL Specifications – Underwriters Laboratories, USA

600
WAGO terminal blocks and connectors are tested by Underwriters Laboratories Inc. according to one or more of the relevant fol-
lowing UL standards:

®
– The 273 Series PUSH WIRE connectors for junction boxes UL 486 C Splicing wire connectors
or the 224 Series lighting connectors are “splicing wire con-
nectors” and are certified to UL 486C. These stand-alone
devices carry the UL Listing Mark u.
– Rail-mounted terminal blocks or modular terminal blocks UL 1059 Standard for terminal blocks
®
(e.g., 280 Series, TOPJOB S or 260 to 262 Series terminal UL 486 E Equipment wiring terminals for use with
blocks) are approved as non-stand-alone components aluminum and/or copper conductors
according to UL 1059 in connection with UL 486E.
®
– X-COM connectors are approved as “terminal blocks”
according to UL 1059 in connection with UL 486E. They are
defined for “field and factory wiring“ with a voltage of
300V.
– Furthermore, these connectors are approved as “connectors UL 1977 Component connectors for use in data, signal,
for use in data, signal, control and power applications” per control and power applications
UL 1977 for “factory wiring” with 600V (i.e., the clamping
unit shall be wired under controlled manufacturing condi-
tions).
– Ex e II terminal blocks are approved to UL 60079-7. UL 60079-7 Electrical apparatus for explosive gas
atmospheres – Part 7: Increased safety
– Ground terminal blocks are tested for grounding and bond- UL 467 Grounding and bonding equipment
ing applications in accordance with UL 467. Components
bearing the UL Recognition Mark U are “recognized
products.” Additionally, after being mounted in their special
applications, these components are submitted to an end-
product test according to the relevant device or equipment
standard.
– Insulating materials are tested for flammability and perfor- UL 94 Tests for flammability of plastic materials for parts
mance in accordance with UL 94. in devices and appliances