EIT Table 5-48

Cable Types (TIS 11-2553)

PVC-insulated copper cables to TIS 11-2553 and where the Thai Electrical Code allows each one to be installed. Note the burial rule: only sheathed NYY, NYY-G and VCT may go in buried conduit or direct burial.

Cable code	Sizes (mm²)	Conductor	Cores	Max temp	Sheath	Uo/U (V)	Permitted use
60227 IEC 01THW	1.5–400	Solid or stranded	Single	70 °C	No	450/750	General use In raceways, protected from water entering the raceway Not in buried conduit or direct burial
60227 IEC 02	1.5–240	Flexible	Single	70 °C	No	450/750	General use In raceways, protected from water entering the raceway Not in buried conduit or direct burial
60227 IEC 05	0.5–1.0	Solid	Single	70 °C	No	300/500	General use In raceways, protected from water entering the raceway Not in buried conduit or direct burial
60227 IEC 06	0.5–1.0	Flexible	Single	70 °C	No	300/500	General use In raceways, protected from water entering the raceway Not in buried conduit or direct burial
60227 IEC 07	0.5–2.5	Solid	Single	90 °C	No	300/500	General use In raceways, protected from water entering the raceway Not in buried conduit or direct burial
60227 IEC 08	0.5–2.5	Flexible	Single	90 °C	No	300/500	General use In raceways, protected from water entering the raceway Not in buried conduit or direct burial
60227 IEC 10	1.5–35	Stranded	Multi (with/without earth)	70 °C	Yes	300/500	General use In raceways, protected from water entering the raceway On cable tray Not in buried conduit or direct burial
60227 IEC 41	0.8	Stranded	2	70 °C	No	300/300	Inside electronic equipment
60227 IEC 43	0.5–0.75	Flexible	1	70 °C	Yes	300/300	Decorative lighting inside buildings
60227 IEC 52	0.5–0.75	Flexible	Multi (with/without earth)	70 °C	Yes	300/300	Cords for portable appliances Internal wiring of appliances
60227 IEC 53	0.75–2.5	Flexible	Multi (with/without earth)	70 °C	Yes	300/500	Cords for portable appliances (heavy duty) Connections to luminaires
60227 IEC 56	0.5–0.75	Flexible	Multi (with/without earth)	90 °C	Yes	300/300	Cords for portable appliances (heavy duty)
60227 IEC 57	0.75–2.5	Flexible	Multi (with/without earth)	90 °C	Yes	300/500	Cords for portable appliances (heavy duty) Luminaires with or without ballast Advertising and illuminated signs
NYY	1–500 single-core; 50–300 multi-core	Stranded	Single or multi	70 °C	Yes	450/750	General use On cable tray In buried conduit or direct burial
NYY-G	25–300	Stranded	Multi with earth	70 °C	Yes	450/750	General use On cable tray In buried conduit or direct burial
VAF / VAF-G	1–16	Solid or stranded	2, or 2 with earth	70 °C	Yes	300/500	Clipped direct to walls In raceways but not in conduit Not buried
VCT / VCT-G	4–35	Flexible	Single, multi, multi with earth	70 °C	Yes	450/750	General use Connections to appliances On cable tray In buried conduit or direct burial

Source: EIT 2001-56 Table 5-48, usage requirements of PVC-insulated copper cables to TIS 11-2553. Verify against the edition that governs your project before design use.