When looking at the Pushbutton Switches with wires from Judco, you may see two different UL standards for wire printing.
For example, part number 40-3979-00.
The datasheet indicates the UL standard for the wire is UL1569:
However, you may receive the Pushbutton Switches with UL1007 OR UL1569 wires printed on them:
Judco has confirmed that they use a dual-rated wire. UL1569 wire has the higher temperature, UL1569 shall prevail.
Applicable part numbers
545PB-ND
507PB-ND
512PB-ND
505PB-ND
506PB-ND
521PB-ND
538PB-ND
539PB-ND
515PB-ND
562PB-ND
561PB-ND
511PB-ND
523PB-ND
565PB-ND
567PB-ND
569PB-ND
527PB-ND
528PB-ND
522PB-ND
568PB-ND
525PB-ND
524PB-ND
564PB-ND
504PB-ND
526PB-ND
563PB-ND
40-2923-04-ND
558PB-ND
546PB-ND
551PB-ND
552PB-ND
541PB-ND
540PB-ND
560PB-ND
40-4526-00
40-2388-01
40-4325-00
40-2386-00
40-2390-00
40-3573-02
40-4313-00
40-4314-00
40-3979-00
40-4394-00
40-3536-00
40-3145-01
40-2531-01
40-4744-00
40-4816-00
40-4819-00
40-4169-00
40-3352-02
40-3657-00
40-4818-00
40-4463-01
40-3658-01
40-4743-00
40-2385-01
40-3355-01
40-4692-00
40-2923-04
40-4679-00
40-4525-00
40-4527-00
40-4521-00
40-4316-00
40-4315-00
40-4682-01