Cooper Bussmann CT02MAN manuales

Cooper bussmann CT02MAN Manual de usuario (60 paginas)

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CABLE TRAY MANUAL

1

Table of Contents

3

INTRODUCTION

4

WHY CABLE TRAY?

5

CABLE TRAY DEPENDABILITY

6

CABLE TRAY SPACE SAVINGS

6

CABLE TRAY WIRING SYSTEM

7

COST SAVINGS

7

DESIGN COST SAVINGS

7

MATERIAL COST SAVINGS

7

INSTALLATION COST AND

8

TIME SAVINGS

8

COST - Cable Tray vs. Conduit

8

MAINTENANCE SAVINGS

9

AN IN-DEPTH LOOK AT 2002 NEC

11

ARTICLE 392 - CABLE TRAY

11

Steel Ventilated Trough

12

Center Supported Cable Tray

13

(B-Line’s Cent-R-Rail System)

13

[See Section 336.10(3)]

15

Establishments

16

[See Section 336.4(3)] cables

18

(See Section 392.8 Cable

19

392.4. Uses Not Permitted

20

Strength and Rigidity

20

(See pages

21

(Figure 250-2)

22

Typical Cable

23

Tray Layout

23

Installation

24

[See Section

27

392.8(C)]

27

Trays

28

See Table 250.122 on page 51

29

Table 392.7(B)

30

Temperature Rise Test

31

WARNING!

32

Conduit and Tubing

33

Larger Cables

34

[Example 392.9(B)]

36

Cable Tray Width

37

Cable Tray Size Fill Area

37

CABLE TRAY ACCESSORIES

42

FIREPROOFING CABLE TRAY

42

CABLE TRAY MAINTENANCE AND

42

AND EXPANSION

43

Figure 4.13B

44

1" (25.4 mm) Gap Maximum

44

As a clamp

44

As a guide

44

Appendix Pages

46

Appendix Sheet 1

47

TABLE III

48

Example - NEC

49

Section 392.9(A)(1)

49

Section 392.9(A)(2)

50

Section 392.9(A)(3)

51

Section 392.9(B)

52

Appendix Sheet 7

53

CABLE TRAY SIZING FLOWCHART

54

Material NEMA

56

Load Depth*

56

Tray Series

56

Appendix Sheet 9

57

(3 meters)

57

Ask the Experts

60

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