Code for design of low voltage electrial installations GB 50054-95 1996 6 1
[1995]325 1986 250 GB50054 95 GBJ54-83
1986 250 GBJ54-83 IEC 1 100055
1 0 1 1 0 2 500V 1 0 3 1 0 4 2 1 1
2 1 2 1 2 1 3 2 1 4 2 1 5 2 1 6
2 1. 7 2 1 8 10A 2 2 1 2 2 2
2.2.2 L 2 2 3 5m 2 2 4 (2.2.4)
( ) 2 2 5 10 2 2 6 N 2 2 7 2 2 8 PEN 10mm 16mm PEN 4mm
2 2 9 PE PE 2 2 9 2 2 10 PE 2 5mm 4mm 2 2 11 PEN 2 2 12 TN PEN TN C TN
TN PE 3 1 1 10kV GB 50053-94 3 1 2 3 1 3 3 1 4
3 1 5 50mm 200mm 3 1 6 3 1 7 2m 3 1 8 6m 15m 3 1 9 3 1 9 :1.
2. 3.1.9 ; 3. 3. 2 1 3 2 2 25V GB 4208-84 IP2X 3. 2. 3. 3 2 4
3 2 5 P2X 10Omm 50mm 3 2 6 GB 4208 84 IP4X 3 2 7 3 2 8
2 5mm; 1 25m IP2X 3 2. 9 3 2 10 2 5mm 2 5m 2 2mm; 2 3m 1 9m 3 2 11 2 5m 0.8m 1 4m; 3 1 9
3 3 1 3 3 2 7m 3 3 3 3 3 4 3 3 5 3 3 6
3 3 7 GB 4208-84 IP3X 4 1 1 4 1 2 4 1 3 GB 50055 94 4 2 1 4 2. 2
5s mm A (s); K 4 2 2 0 1s 5s 4 2 3 JBI284-85 1 3
4 2 4 20A 4 3 1 4 3 2 4 2 4
4 3 3 4 3 4 A A A A 4.3.4-1 4.3.4-2 JB1284-85 1 4 3 5
4. 3 6 1 4 4 1 4 4 2 4.4 1 I
I GB T12501-92 4 4 3 I 50V I GB T12501-92 4 4 4 PE PEN
4 4 5 (4.4.5) ( ) 5s A 1 3 1 TN 4 4 6 TN
A V TN PE 4 4 7 220V TN : 5s 0 4s 4 4 8 4 4 7 5s 4 4 8-1
0 4s 4 4 8-2 4 4 9 4 4 7 4 4 7 0.4s PE UL 50V 4 4 10 TN 4 4 7
4 4.7 I TT 4 4 11 TT (4.4.11) PE A 5s TT
4 4. 12 TT PE N IT 4. 4. 13 IT (4.4.13) ( ) A IT 4 4 14 IT
TT TN 4 4 15 IT IT N 220 380V 0 4s (4.4.15-1) PE A IT N 220 380V 0.8s (4.4.15-2)
N PE 4 4 16 IT N v 4 4 17 PE PEN 4 4. 18 4. 4. 19 TN PE 4.4.6 4 4 12 4 4 20 IT 4 4 21 0.5A
4 4 22 4 5 1, 4 5 2 3m; 4 5 3 3m ;
4 5 4 N 4 5 5 TT TN S N N N N N 4 5 6 TT TN S N N N N TN N N TN C PEN PEN PEN 5. 1 1
5. 1. 2 ; 5 2. 1 6mm 30Omm
5 2 1 1 8m 5 2 2 5. 2 3 5. 2 1 5. 2 4 5 2 4
5 2. 5 5 4 4 5 2 6 5 2 6 5. 2 7 5 2 8 1 5mm 5 2 9
0 2m 0 3m 0 5m 1m 0 2m 0 1m 5 2 10 5 2 11 5 2 12 27 5 2 13 40 5 2.14
30m 20m 15m 8m 5 2 15 N 5 2 16 50V 8 5 2 17
5 3 1 2 5mm; 2 7m 5 3 2. 5 3 3 10mm 12m 5 3 4 5 3 4
20mm 2 5 3 5 500mm 100mm 5 3 6 1 5m 50mm 100mm 3mm 5 4 1
5 4 2 3.5m; IP2X 2 5m 3 2 5 5 4 3 ( ) 1 8m 1 8m 5. 4. 4 5 4 4 5 4 5 2 3m 2.3m
5 5 1 5 5 2 2 2m (I) 5 6. 1
5 6. 2 5. 6. 3 ; 5. 6. 4 5. 6 5 5 6 6 5 6 7 (I) 5 6 8 2.5m 1 8m
5. 6. 9 35mm 1kV lkv 150mm 5 6 10 1m 1m 0 5m 0.5m 5 6. 11 0 75m 0 6m 5 6 13 1 5 5. 6 13 2 5m 5 6 14 40 50. 5 6 15 5.6.15
5. 6 16 50m (I) 5 6 17 5.6.17 5 6. 18 O 5 5 6 19
lkv lkv 5 6 20 350mm 500mm 5 6 21 5 6 21 5 6 22 5 6 23 5 6 24 50kg 5 6 25 1 9m l.4m
5 6 26 7m 75m 0 7m 5 6 27 36V 36V 5 6 28 (IV) 5 6 20 8 5 6 39 700mm 1m 100mm 50mm 2O0mm
5 6 31 1 5 2m 20Omm 5 6 32 5 6 32 5 6 33 100mm
5 6 34 2m lm 5 6. 35 1m
5. 6. 36 0 6 0 7m 5 6 27 0 5m. 5 6 38 5 6 38 5 6. 39 5 6.39
( ) 5 6 40 150mm (V) 5 6 41 5 6 42 12 l 2 5 6 43 10t m 5 6 44 1 5 90mm 75mm 5 6 45 0 5
0 7m 0 5m 60mm 5 6 46 5 6 47 10Om 5 6 48 1 8m 0 7m 5 7 1 5 7 2
5 7 3 5 7 4 5 7 5 lh 5 7 6 5 7 7 300mm
5 7 8 50mm 30m 50mm 20m
1
2 ; 3
GB 50054-95 (85) (46) (GB50054 95) (325) ( 1 100055)
2. 1 1 2 1 4 1000V 2 1. 8
2 2 3 5m 5m 5m 2 2 6 2 2 7 TN 2 2 8 ~ 2 2 12 TN PE TN S TN 2 2 12 1
TN C S TN 2.2 12 2 TN C TN 2 2 12 3
3 1 5 3 1 6 3 1 7 ( ) ( ) 3 1 8 6m 6m
3. 1 9 3 2.1 3 2 2 IEC364 4 25V (GB4208 84) IP2X 12mm 80mm 3 2 3 3 2 4 IEC364 4
3 2 6 IP4X ( ) lmm 3. 3 7 3 2. 8 IEC364-4 IP2X IP0X IP1X IP0X IPIX 50mm IP2X, 3 3 9 3 2 10 2 2m 0 3m 2 5m 0 1m 2 3m
3 2 11 2 5m 0 8m 0 75m 1 63 1 69m 1 53 1 58m 1 3 1 4m 1 4m 3 3 1 3 3 2 3 3 3
3 3. 4 3 3 5 3 3 6
3 3 7 IP3X 2 5mm IP3X 4 1 I ( ) ( ) 4 1 2
(NT ) 1 1 6 4 1 3 (GB50055 94) 4 2 2 4 2 2 K (J mm ( ) 4 2 2 K (J.mm ) 0 ( )
20 ( mm) ( ) ( ) 4.2 2-l 4 2 2-2 0 1s K S I t 5s 4 2 3 (JB1284 5) 120%
4 3 1 ( ) ( 100 ) 4 3 3 4 3 3 4 3 4 4 3 4-1 4 3 4-2 IEC I 1 45 JB4011 1-85-5.6.3 1 6 1 g ( JB4011.1-85.7.2.7) 4 3 4-1
2 1 g 16A g gm JB4011 1-85-8.4.3.5 ( 8G ) ( 4 3 4-2) 8.4.1 ( ) 11 1.45 ( 1 1 ) 1 45
4 3 4-3 Y 10 IEC DW15 ME AH DZ15 DZX19 DZ20 DZ25 HB RT12 RT15 RT14 RT17 RL6
( 5 20 ) 4 3 4 2 I I 0 9 ( ) (1981 15 ) (BS3036) a 0 725 4 3 5 4 4 1 PE PEN
4 4 2 4 4 3 0 I II III (GB4776-84) 3 3 2 3 3 5 50V IEC479-1 50V
IEC364 41 5s 4 4 6 4 4 4 IEC 4 4 4 T a-b PE b
TN 0 4s IEC 4 4 5 4 4 5 l M a b c PE 50V 5s
a b PE 50V
Ra M 4 4 5-2 R M d e 50V 50V 50V R 4 4 5 R 4 4 5-l 4 4 5-2 a b d e 4 4 5, 4 4 6 IEC 364-4-41
4 4 6 PE(PEN) TN 4 4 7 5s 5s 5s 5s IEC 479-l
IEC 364-41 220 380V 0 4s PE 1 3 1 1 4 4 8 JB4011 4 4 8-l 4 4 8-2 4 4. 9 TN TN PE 5s 0 4s 4.4.9 PE
4 4 9 M PE PE m-n 50V PE m-n m-n
4 4 10 ( ) 4 4 5 PE IEC 4 4 11 TT TT TN ( 4.4 6) IEC 365 4 41 4 4 11 50V TT 50V 5s
TT TT 4 4 11 TT 4. 4 12 TT PE PE PE 4 4 13 IT ( 1000 ) TT ( ) IT IT ( 4 4 13 ) 50V
( ) IT 50V 4 4 13 IT IT 4 4 13 4 4 14 IT
TT 4 4 14 l PE TN 4.4.12 4 4 15 4 4 15-l 4 4 15-2 4 4 16 IT N N N IT
TT 4 4 16 IT N 4 4 18 4 4 19 TN 4.4.19 4 4 19-l 4 4 19-2 TT PE TT
PE TT PE 4 4 20 IT 4 5 5 TN S TN
4 5 6 IEC TN C PEN