JIS C 3410 250V (FA-)TTY-S Telephone & Instumentation cable:
CABLE DESIGNATION
250V TTY-S, FA- TTY-S
250V TTYC-S, FA- TTYC-S
250V TTYCY-S, FA- TTYCY-S
APPLICATION STANDARD
- Design guide : JIS C 3410(1999)
- Flame retardant : IEC 60332-1 & IEC 60332-3 Category A (FA-Type)
- Cold bend/impact : CSA 22.2 No. 03 (-35 ℃) (Cold Type)
- Max. conductor temperature : 60℃
TECHNICAL DATA
1. CABLE TYPE:250V (FA-)TTY-S, 250V (FA-)TTYC-S, 250V (FA-)TTYCY-S
No. of Pair, Triad or Quad: 2, 3, 4, 7, 10, 14, 19, 24, 30, 37, 48,
Nominal Area(mm2):4, 6, 8, 14, 20, 28, 38, 48, 60, 74, 96.
| Classification | Code | Construction Detail | 
| Conductor | TT | Stranded plain annealed copper wires as per JIS C 3410. | 
| Insulation | PVC as per JIS C 3410. | |
| Twisting | Two Insulated cores shall be twisted together to form a pair | |
| Individual shield | -S | Tinned copper wire braid | 
| Cabling | Twisted pairs shall be
 cabled. Flame retardant & non-hygroscopic fillers may be used . Suitable tape(s) may be applied on the cabled core. | |
| Sheath | Y | PVC as per JIS C 3410. | 
| Armor | C | Braid of galvanized steel
 wires. Coverage density is minimum 90%. | 
| Paint | The white paint shall be painted
 uniformly on the steel wire braid. Protective covering Type, paint is dispensable. | |
| Protective Covering | Y | PVC as per JIS C 3410. Outer sheath color : Black | 
| Core identification | Printed pair number and Alphabet
 letter on the white insulation ex) 4P : (1A,1B), (2A,2B), (3A,3B), (4A,4B) | |
| Note Fire resistant type (“FRA-”) & Cold type cable (“(C)”) can be supplied. | ||

 
                                 
                                



