6.11.2 Crimping and Connectors

Question 1

What is the essentials for a good connector?

Answer 1

Positive location, capable of quick dis/connection for ease of maintenance.

Question 2

What is a circular connector?

Answer 2

Often called the canon connector, normally used to connect equipment or devices.

Question 3

What do circular connectors consist of?

Answer 3

Receptacle and plug

Question 4

What are some examples of coupling rings?

Answer 4

Bayonet
Threaded
Threaded self locking
Push/Pull
Spring rack

Question 5

What are the two most common coupling rings?

Answer 5

Threaded and bayonet.

Question 6

Where are rectangular connectors normally used?

Answer 6

LRU and equipment racks, they are ARINC 600 type

Question 7

What connector is suitable for data cables?

Answer 7

EN3545 rectangular connectors

Question 8

Where are module blocks used?

Answer 8

Where a large number of wires need to be connected for grounding or signal distribution.

Question 9

In the context of in line junctions, what is a hermetic connector?

Answer 9

Pressure sealed

Question 10

On a EMI/HIRF protection connector what should be given special attention?

Answer 10

The termination of the individual and overall braid shield.

Question 11

What were the N series coaxial connectors designed for?

Answer 11

WW2 microwave needs, designed to carry 500MHz

Question 12

What are the different series of coaxial connectors?

Answer 12

N
C
BNC
TNC
Arinc 600

Question 13

What are the two basic groups of circular connector construction?

Answer 13

Split shell (AN)
Assembled construction (MS)

Question 14

What is a Class A split shell?

Answer 14

Solid one piece back shell for general purpose.

Question 15

What is a class B split shell?

Answer 15

Two part

Question 16

What is a class C split shell?

Answer 16

Pressurised connector with inserts

Question 17

What is a class D split shell?

Answer 17

Vibration and moisture resistant

Question 18

What is a class k split shell?

Answer 18

Fire resistant

Question 19

What is the difference of a MIL-C-38999 connector to a MIL-c-5015?

Answer 19

MIL-C-38999 connector has greater density of contacts, smaller wires, lighter in weight

Question 20

What is the most common connector on boeing?

Answer 20

MIL-C-83723

Question 21

How is the shell size denoted in a assembled connector part number?

Answer 21

After the MS number and letter.

Question 22

What are the two primary procedures for identifying connectors used in aircraft wiring?

Answer 22

P/N on connector
P/N ident on Wiring Diagram Manual

Question 23

On pin idents what letters are left out due to confusion after they fade?

Answer 23

I, O, Q and I, o

Question 24

What does the live side of the connector usually have? (Pin or socket)

Answer 24

Socket, to minimise the chance of electric shock.

Question 25

How are contacts retained in position?

Answer 25

Insulators called inserts.

Question 26

What is considered good practice when leaving spare un wired contacts on a connector?

Answer 26

Two spares on 25 or fewer contacts
Four spares on up to 100

Question 27

What is at the end of the connector housing?

Answer 27

Follower

Question 28

What are some common connector rear assemblies?

Answer 28

End bells
Strain relief clamps
Cable Clamps
Back shells
Backing Clamps

Question 29

What are polarisation connectors used for?

Answer 29

To stop computers being put into the wrong shelf.