NEC FA Series Installation And Maintenance Manual page 56

Precautions on use of the power connector (WAGO)
When using the power cord connector (WAGO's product, WFR Series (WAGO 221), Models WFR-2 and WFR-3),
respect the following precautions.
WAGO 221
* Visiting WAGO's homepage for more details is recommended.
WARNING
• Always use the connector indoors (in a location not affected by moisture).
• Use the connector by respecting the installation precautions. If the connector is not used correctly, it may
lead to a fire or an electrical shock.
Installation precautions
• Wire sheath peeling
CAUTION
Be sure to peel off the wire sheath
over the specified length.
10 to 12 mm
1
3
Lever operation is necessary even for connection of a solid core wire.
• Wire sizes
Wire sizes compatible with the power connector (WAGO) are as follows.
Solid core:
IV 7-stranded core:
Flexible stranded core:
• When reconnecting a wire once disconnected, cut off the wire end and newly peel off the sheath.
CAUTION
• When reconnecting a wire once disconnected, cut off the wire end and newly peel off the sheath.
• If the disconnected wire is reconnected without this processing, it may heat up and burn out.
Newly peel off the sheath.
Do not use the connector with the
core wires being sinuous.
2
2
φ1.6 to 2.0 mm
2.0 to 3.5 mm
2.0 to 3.5 mm
End of disconnected wire: More or less damaged.
CAUTION
2
2
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