The applicable wire sizes are followings. 22mm2（AWG#4）38mm2（AWG#2）60mm2（AWG#1/0）

The applicable contacts are followings. Manufacturer :Part numberNICHIFU and JST :R22-8, R22-10, R22-12, R38-8, R38-10, R38-12, R60-8, R60-10, R60-12 or equivalent contacts

The applicable wire sizes are followings. 5.5mm2（AWG#10） 8.0mm2（AWG#8） 14mm2 （AWG#6）

The applicable contacts are R5.5-5, R8-5 and R14-5 made by  NICHIFU and JST or equivalent contacts.

The applicable wire sizes are followings. 1.25mm2（AWG#16）2.00mm2（AWG#14）3.50mm2（AWG#12）5.50mm2（AWG#10)

The applicable contacts are followings.Manufacturer : Part numberNICHIFU : R1.25-5. R2-5. R3.5-4. R5.5-4 JST : R1.25. R2-5. 3.5-R4. R5.5-4 Or equivalent contact

The difference is color of housing(insulator). Part number　　 : Color DF22L-2S-7.92C(26) : Blue(Scheduled to be discontinued) DF22L-2S-7.92C(28) : Red

The difference is quantity a reel. FH34SRJ-xxS-0.5SH(50):　　　5,000 pcs/reel FH34SRJ-xxS-0.5SH(99):　　　　 500 pcs/reel xx stands for number of the contacts.

The difference is shielding. TM21 series is shielding type and TM22 series is non-shielding type. Both series satisfy TIA/EIA-568-B enhanced category 5.   However, applicable...

The difference is plating of center contact as follows. BNC-J-1.5CR(40): Silver BNC-J-1.5CR(41): Gold