A320 ESPM Electrical Standard Practices Manual 2(67)

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 A. Cable Supports (Ref. 20-33-41)
 B. Clamps (Ref. 20-33-42)
 C. Raceway Assemblies (Ref. 20-33-43)
 D. Tie-wraps (Ref. 20-33-44) R E. Backshell, End Piece and Conduit Fitting (Ref. 20-33-45)

20-33-40 Page 1

 __________________________________________
CABLE SUPPORTS - DESCRIPTION AND OPERATION
 _______
1. General R This chapter gives the description and operation of cable supports. Cable R supports are items used to attach, tie the wiring.
 The cable supports installed on aircraft are divided in relation to the geometry and have the codes that follow :
 -Wedge support type :
 NSA935513
 NSA935514

 -V-shaped support type :
 ABS0677 Single V
 ABS0774 Single V
 E0254 Single V

R  E0343 Single V E0420 Single V E0659 Single V E0664 Single V E0675 Single V ABS0354 Double V ABS0355 Double V E0255 Double V E0660 Double V E0661 E0663 NSA935504
 -U-clamp type :
 E0435
 NSA935501

 -Fairlead guide type :
 ABS0678 with ABS0679
 E0398
 E0557
 NSA935511
 NSA935512

 -Separator and spacer type :
 ABS0054
 ABS0731
 E0688
 NSA5527

R  NSA935510

20-33-41 Page 120-33-41 Page 2

 - In some specific cases, the structure (colonnette or ramp) can support the wiring.
R  ____________________2. Wedge support type : This type of cable support has the codes that follows: NSA935513
 NSA935514 
R R  This type of cable support is used in pressurized areas, to fix small to medium sized harnesses (25mm max. dia.).
 A. P/N characteristics
 (1) P/N identification NSA935513
 NSA935514  - 01
R  | | | ------------- Size code | ------------------------- Standard P/N
 (2) Temperature Operating temperature is -55 deg.C (-67.00 deg.F) to 150 deg.C (302.00 deg.F).
 (3) Type code
 (a) NSA935513-XX Depending on the dimension code of the wedge support, the number of cable harnesses is specified as follows : --------------------------------------------------------------
R R  | | CABLE HARNESS | | SIZE |----------------------------------------------| | CODE | NUMBER | MAX DIA | ATTACHMENT POINT | | | | mm (in.) | | |-------------|----------|----------------|------------------| | 01 | 1 | 25 (0.9842) | Top | |-------------|----------|----------------|------------------| | | 1 | 25 (0.9842) | Top | | 05 |----------|----------------|------------------| | | 2 | 10 (0.3937) | Each side | |-------------|----------|----------------|------------------| | | 1 | 25 (0.9842) | Top | | 06 |----------|----------------|------------------| | | 2 | 10 (0.3937) | Each side | |-------------|----------|----------------|------------------| | 07 | 1 | 25 (0.9842) | Each side | --------------------------------------------------------------

 

 (b) NSA935514-XX Depending on the dimension code of the wedge support, the number of cable harnesses is specified as follows :
 ---------------------------------------------------------------------------
| | | CABLE HARNESS | R | SIZE | DESIGNATION |----------------------------------------| R | CODE | | NUMBER | MAX DIA. | ATTACHMENT | R | | | | mm (in.) | POINT |
 |-------------|------------------|--------|--------------|----------------| | 01 | Male braket | 1 or 2 | 25 (0.9842) | Side | |-------------|------------------|--------|--------------|----------------| | 02 | Female braket | 1 or 2 | 25 (0.9842) | Side | |-------------|------------------|--------|--------------|----------------| | 03 | Washer | -| -| -| |-------------|------------------|--------|--------------|----------------| | 04 | Shouldered male | -| -| -| | | bracket | | | | |-------------|------------------|--------|--------------|----------------| | 05 |Shouldered female | -| -| -| | | bracket | | | | |-------------|------------------|--------|--------------|----------------| | | Assembly | | | | | 06 | (NSA935514-03 | 2 x 2 | 25 (0.9842) | Each side | | | + NSA935514-04 | | | | | | + NSA935514-05) | | | | ---------------------------------------------------------------------------

20-33-41 Page 3

 B. Procedure
 (1) Wedge support installation.
 (a) For NSA935513 only: R (Ref. Fig. 001)
 -Engage wedge half with notch in the hole.
 -Install the applicable wedge support with the installation tool and a plastic hammer or with a plier or with a specific gun depending on the wedge support type and size.
 ____
NOTE : You must install wedge support NSA935513 wet, with anti-corrosion paste (Mat. No. 05-7070).
 (b) For NSA935514 only :
 -Install the applicable wedge support. No specific tools are required for installation.
　
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