430-Motors, Motor Circuits, and Controllers: Page 36 of 38

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Separation of Junction Box from Motor. The junc tion box required by 430.245(A) shall be permitted to

be separated from the motor by not more than 1.8 m (6 ft),provided the leads to the motor are stranded conductors within Type AC cable, interlocked metal
tape Type MC cable where listed and identified in
accordance with 250.118(10)(a), or armored cord or are
stranded leads en closed in liquidtight flexible metal conduit, flexible metal conduit, intermediate metal conduit, rigid metal conduit, or electrical metallic tubing not smaller than metric designator 12 (trade size 3/s), the armor or raceway being connected both to the motor and to the box.
Liquidtight flexible nonmetallic conduit and rigid non-metallic conduit shall be permitted to enclose the leads to the motor, provided the leads are stranded and the required equipment grounding conductor is connected to both the motor and to the box.
Where stranded leads are used, protected as specified above, each strand within the conductor shall be not larger than 10 AWG and shall comply with other
requirements of this Code for conductors to be used in raceways.

(C) Grounding of Controller-Mounted Devices. Instru ment transformer secondaries and exposed non- current-carrying metal or other conductive parts or cases of instrument transformers, meters, instruments, and relays shall be grounded as specified in 250.170 through 250.178.

XIV. Tables

Table 430.247 Full-Load Current in Amperes, Direct-Current Motors

The following values of full-load currents* are for motors running at base speed.

Armature Voltage ; Rating*

Horsepower 90 Volts 120 Volts 180 Volts 240 Volts 500 Volts 550 Volts

'/4 4.0 3.1 2.0 1.6

Vi 5.2 4.1 2.6 2.0 — —

Vi 6.8 5.4 3.4 2.7 — —

3/4 9.6 7.6 4.8 3.8 — —

1 12.2 9.5 6.1 4.7 — —

V/2 13.2 8.3 6.6 — —

2 — 17 10.8 8.5 — —

3 — 25 16 12.2 — —

5 — 40 27 20 — —

7'/2 58 — 29 13.6 12.2

10 76

38 18 16

15 — — — 55 27 24

20 — — — 72 34 31

25 — — — 89 43 38

30 — — — 106 51 46

40 — — — 140 67 61

50 173 83 75

60 — — — 206 99 90

75 — — — 255 123 111

100 — — — 341 164 148

125 — — — 425 205 185

150 — — — 506 246 222

200 — — — 675 330 294

*These are average dc quantities.

Table 430.248 Full-Load Currents in Amperes, Single-Phase Alternating-Current Motors

The following values of full-load currents are for motors running at usual speeds and motors with normal torque characteristics. The voltages listed are rated motor voltages. The currents listed shall be permitted for system voltage ranges of 110 to 120 and 220 to 240 volts.

Horsepower

115

Volts

200

Volts

208

Volts

230

Volts

'/6

4.4

2.5

2.4

2.2

'/4

5.8

3.3

3.2

2.9

'/3

7.2

4.1

4.0

3.6

Vl

9.8

5.6

5.4

4.9

3/4

13.8

7.9

7.6

6.9

1

16

9.2

8.8

8.0