Wire crimping and Soldering. Which one is better?

Wire crimping” has pros in that it is easy to install, the electricity can flow smoothly, and it can be used with various equipments. But the cons are that it costs money due to the tools used in the process. On the other hand, “Soldering” uses Flux to make electrical contact, which is cheaper than wire crimping. But the wire and contact point have less flexibility. If you use soldering in equipment that causes vibration, there is a risk of broken wires.

How many Wires can crimp together?

It is not recommended for pair multiple wires in one crimp terminal when wire crimping. Because crimp terminals are designed to work with a specific size of wire, when multiple wires are combined in one crimp, the holding force is reduced, resulting in heat at the terminal.

Should you twist the wire before crimping?

If stranded wire is used in wire crimping, The twisted method of copper wire before wire crimping will increase the surface density. The chance that a wire terminal will be loose or fall out after crimping is going to be reduced. and the risk of an electrical accident is also decreased.

Can you use plier for wire crimping?

It is not recommended to use pliers to crimp the wire except “Wire Crimper”. because there is a chance that the wire terminal will be loose or damaged, which is called “Bad Contact”. And when the equipment is running, the heat at the terminal is going to increase more than usual because electricity cannot flow smoothly. It will cause the ark to and melted wires. Therefore, should study how to use the crimping pliers properly to prevent the danger that may occur.

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Crimp Terminals（Insulation coating (color)：Transparent Blue）

A crimp terminal is a connection part used by attaching to the end of a cable. There are various types such as bare crimp terminals,insulated crimp terminals, plug-in crimp terminals, etc. The main shapes are round, Y-type, sleeve-ring type, blade type, etc. There are two types: crimping using a dedicated tool, and connecting to the terminal block by insertion., therefore select the type according to the application and connection target. The structure and characteristics of the crimp terminals differ depending on the product, and there are various products available such as those with heat resistance that can be used for heater wires and heating wires, those that have guides that allow the cable to be inserted smoothly into the cylinder, those that are tin-plated and corrosion-resistant, etc. It is widely used for applications that require mating, such as internal wiring of industrial equipment, measuring instrument, FA control equipment, etc., connection between equipment, various electrical work, etc.

Configure

Specification/Dimensions

Shape
- Round
- Y Type
- Sleeve ring type
- Bar mold
- Blade type
- Flag Type
- Enclosed type
- Other
Clear

Conforming wire size(AWG)
1/0

#1/0

2

#2

2/0

#2/0

2×14

2ｘ14

2×16

2 × 18

2×18

2x20

2×20

2×22

3/0

#3/0

4

#4

4/0

#4/0

6

#6

7

8

#8

10

10-8

12

#12

12-10

12-10$18-16

12 to 10

#12 to 10

13-10

14

#14

16

16-20

16-14

16 x 2

16 to 14

16～14

#16 to 14

17

17-13

18

18-16

18 to 14

18 to 16

#18 to 16

20

20-18

20-16

20-14

20-10

20 to 14

20 to 16

20 to 18

20, 18

#20 to 18

22

22-20

22-18

22-16

#22-16

22-14

22-12

22 to 16

22～16

#22 to 16

22 to 18

22 to 20

24

24-20

24 to 20

24 to 22

26

26-24

26-22

26-18

26 to 18

26 to 22

#26 to 22

28

250-300 MCM

250 to 300MCM

#250/300MCM

300-350 MCM

#350MCM

400 MCM

400MCM

#400MCM

500-600 MCM

500 to 600MCM

#600/650MCM

42714
Clear

Internal Diameter(φ)
0.6

0.8

1

1.1000000000000001

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.8$3.5$5.2

2

2.2

2.3

2.4

2.5

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.7

3.8

3.9

3.95

4

4.16

4.3

4.4

4.5

4.7

4.8

5

5.2

5.3

5.4

5.5

5.8

6.1

6.3

6.35

6.4

6.5

6.6

6.73

7.5

7.7

8.2

8.3

8.4

9.4

10

10.3

10.4

10.5

11

11.4

12.7

13

13.3

14

14.5

15

16

16.4

17

19

19.5

21

23

24

25

28
Drawing

Clear

Type
- Bare Crimp Terminal
- Crimp Terminal With Insulation
- Insertion Type Connector
Clear

Outer Diameter(mm)
1

1.1

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.05

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.95

3.96

4

4.1

4.2

4.3

4.5

4.6

4.7

4.8

4.9

5

5 x 3

5 × 3

5.1

5.2

5.4

5.5

5.5 x 3

5.5 × 3

5.6

5.7

5.8

5.9

6

6.2

6.3

6.35

6.4

6.5

6.5 x 3.6

6.5 × 3.6

6.6

6.7

6.8

6.9

7

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

8

8.1

8.3

8.4

8.5

8.7

8.9

9

9.4

9.5

9.6

9.7

10

10.5

11

11.3

11.5

11.6

11.8

12

12.3

12.4

12.5

12.6

13.2

13.3

13.4

13.49

13.5

13.6

14

14.5

15

15.3

15.5

16

16.5

17

17.5

18

18.5

19

19.2

19.5

20

21.5

22

22.1

22.3

24

25

26.4

26.5

27

27.5

28

28.5

30

31

32

32.4

32.7

36

37

37.6

38

38.5

42

44

45.5

49

50.5

53
Drawing

Clear

Series
- 110
- 187
- 250
- Pin Terminal
- Other
Clear

Insulation coating (color)
- Red
- Blue
- Green
- Yellow
- Transparent Yellow
- Transparent Red
- Transparent Blue
- Transparency
- White
- Other
- Orange
- Transparent Green
Clear

Insulation material
- Nylon
- Vinyl
- Other
- Polycarbonate
Clear

Overall Length(mm)
6

6mm

6.7

7.5

8

8.5

9.4

9.5

10

10mm

10.5

11

11.3

11.4

11.4mm

11.43mm

11.5

11.7

11.9

12

12.2

12.3

12.4

12.45mm

12.5

12.7

12.8

13

13.2

13.25

13.3

13.3mm

13.5

13.6

13.7

13.8

13.9

14

14mm

14.1

14.2

14.3

14.4

14.5

14.7

14.8

14.9

15

15.1

15.2

15.2mm

15.3

15.4

15.5

15.6

15.7

15.77mm

15.8

15.9

16

16.14mm

16.2

16.3

16.4

16.5

16.6

16.7

16.8

16.9

16.95

17

17mm

17.02mm

17.1

17.2

17.25mm

17.3

17.4

17.5

17.7

17.8

18

18.1

18.2

18.25

18.3

18.4

18.5

18.6

18.7

18.77mm

18.8

18.9

19

19mm

19.1

19.2

19.3

19.3mm

19.4

19.43mm

19.5

19.56mm

19.6

19.61mm

19.7

19.8

19.8mm

19.9

20

20mm

20.1

20.14

20.2

20.24mm

20.29mm

20.3

20.4

20.4mm

20.5

20.6

20.7

20.8

20.8mm

20.9

21

21mm

21.1

21.2

21.25

21.3

21.4

21.5

21.5mm

21.6

21.6mm

21.7

21.8

21.8mm

21.87mm

21.9

21.97mm

22

22mm

22.12mm

22.2

22.3

22.3mm

22.4

22.5

22.55

22.6

22.7

22.8

22.9

23

23mm

23.06mm

23.1mm

23.3

23.41mm

23.5

23.7mm

23.8

24

24mm

24.1

24.2

24.2mm

24.4

24.45

24.5

24.7

24.8

25

25.2

25.3

25.4

25.5

25.5mm

25.7

25.8

26

26mm

26.1

26.1mm

26.2

26.3

26.4

26.5

26.6

26.7

26.7mm

26.8

26.9

27

27mm

27.05mm

27.2

27.3

27.5

27.5mm

27.5$21.9$34

27.7

27.8

27.81mm

27.9

27.9mm

28

28mm

28.2

28.3

28.4

28.5

28.5mm

28.6

28.7

28.8

29

29.1

29.4

29.46mm

29.5

29.6

29.67mm

29.7

29.8

30

30.1

30.1mm

30.2

30.3

30.5

30.7

30.7mm

30.8

30.9

31

31mm

31.2

31.4

31.45mm

31.5

31.7

31.8

31.9

32

32.2

32.3

32.3mm

32.4

32.5

32.8

33

33.15

33.2

33.3

33.4

33.5

33.5mm

33.7

33.71

33.71mm

34

34.2

34.2mm

34.5

34.7

34.8

35

35.5

35.95

36

36.3

36.7

36.75

36.8

36.9

37

37mm

37.5

37.6

38

39

39mm

39.2

39.3

39.5

39.7

40

40mm

40.5

40.6

41

41mm

41.5

42

42.3

42.5

42.7

43

43mm

44

45

46.5

46.7

47

47.5

48

48.1

48.5

49

49.5

49.7

50

50.4mm

51

51.3

51.5

52

52.3

52.5

53

53.5

54

54.2

54.7

55

55.2

55.5

55.6

55.7

57

57.3

57.5

59

60

60.3

60.5

61.3

61.8

62.5

63

65

66

67

67.3

68

69

71

72

73.2

73.3

75

77

77.3

78

79

80

81

82

83.3

84

85

85.3

85.5

86

87

88

88.5

89

91

91.5

92

93

95

96

97

98

99

105

106

108

111

113

117

124

130

143

145
Drawing

Clear

Features
- Heat Resistant
- Waterproof
- Gold Plated
Clear

Representative Standard
- UL
- JIS
- CSA
Clear

Brand	(5) (0) AMERICAN DENKI (0) DAIDO SOLDERLESS TERMINAL (0) ESCO (0) FUJI TERMINAL INDUSTRY (0) HIROSUGI-KEIKI (0) JST(JSTMFG) (0) KST (0) MIRAI INDUSTRY (0) NICHIFU TERMINAL INDUSTRIES (6) PANASONIC (0) PANDUIT (0) PHOENIX CONTACT (0) RS Pro (0) SUNHAYATO CORP (0) TE Connectivity (0) TRUSCO (2) WAGO (0) WEIDMULLER (0)
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Plug-in Model Pin Terminal, General-Model Male【100 Pieces Per Package】

MISUMI

Plug-in Model Pin Terminal, Male With Insulation [100 Pieces Per Package]
It is a wire connection equipment that is used with insulated female bullet connector, and comes in various sizes.
Features]
• Compatible electric wire size (AWG): 20 - 18, 18-16 and 14
• Compatible electric stranded wire size (mm²): 0.5-0.75, 0.75-1.25 and 2.0
• Insulation colors: Red, blue, and transparent
• Insulation material: Nylon UL94V-2
[Applications]
It is used with insulated female bullet connector

From: ฿ 453.22
Days to Ship: Same day

Same day

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Plug-in Model Pin Terminal, General Model Female【100 Pieces Per Package】

MISUMI

Plug-in Model Pin Terminal, Female With Insulation [100 Pieces Per Package]
It is a wire connection equipment that is used with insulated bullet terminal, and comes in various sizes.
[Features]
• Compatible electric wire size (AWG): 20 - 18, 18-16 and 14
• Compatible electric stranded wire size (mm²): 0.5-0.75, 0.75-1.25 and 2.0
• Insulation colors: Red, blue, and transparent
• Insulation material: Nylon UL94V-2
[Applications]
It is used with insulated bullet terminal

From: ฿ 453.22
Days to Ship: Same day

Same day

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Round Type (R Type) Insulated Crimp Terminal For Copper Wire

Until 31/03/2025

Round Type (R Type) Insulated Crimp Terminal For Copper Wire【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

· An easy entry type round crimp terminal with an insulating cover.
[Features]
· The TME type is a crimp terminal with a wire-insertion guide inside the insulating cover.
· The stripped core wire inserts smoothly along the guide into the tube without needing to be twisted.
· The TME type has a terminal stopping wall inside the insulator, which allows the terminal to be inserted into a fixed position.
· The core wire position allows for consistently stable and reliable crimping.
[Applications]
· Convenient for different types of wiring work etc.

From: ฿ 398.25
Special Price
Days to Ship: Same day

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Plug-Model Connector Terminal, 250 Series Female (Fitting Part Insulated Model)【100 Pieces Per Package】

MISUMI

Plug-Model Connector Terminal, 250 Series Female (Fitting Part Insulated Model) [100 Pieces Per Package]
It is a terminal connector used in conjunction with an insulated male disconnector and comes in various sizes.
[Features]
• Compatible electric wire size (AWG): 18-16 and 14
• Compatible electric stranded wire size (mm²): 0.75-1.25 and 2.0
• Insulation colors: Transparent red and transparent blue
• Insulation material: Nylon UL94V-2
[Applications]
It is used with an insulated male disconnector

From: ฿ 457.43
Days to Ship: Same day

Same day

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Insertion Connection Terminal FA Type - 250 Series【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

The mating section is insulated by an insulator. FA Type, 250 Series
[Features]
· This terminal block connector is compliant according to the Electrical Appliance and Material Safety Law.
· The connector enables the connecting of trunk and branch wires by a one-touch connection.
· The wires can be changed by simply replacing the terminal block.
· The connector can be reused by using the wire lock-release lever and detaching the wires .
· The connector has directionality. Therefore, it cannot be inserted incorrectly. The case is transparent to allow the color of the wire covers to be visually checked after they have been connected.
· Stranded cables can be connected by using the rod type crimp terminals and dedicated covers.

From: ฿ 543.00
Days to Ship: Same day

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Waterproof Type Pin Terminal【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

[Features]
· The waterproof cap shuts out water / moisture.
· Waterproof performance: IP57 rating. (IEC529)
[Applications]
· Allows for wire connections and relaying inside equipment by combining (coupling) male (M) and female (F) sides. For use in places requiring waterproof performance.

From: ฿ 583.14
Days to Ship: 8 Day(s)

8 Day(s)

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Plug-Model Connector Terminal, 187 Series Female (Fitting Part Insulated Model)【100 Pieces Per Package】

MISUMI

Plug-Model Connector Terminal, 187 Series Female (Fitting Part Insulated Model) [100 Pieces Per Package]
It is a terminal connector used in conjunction with an insulated male disconnector and comes in various sizes.
[Features]
• Compatible electric wire size (AWG): 18-16 and 14
• Compatible electric stranded wire size (mm²): 0.75-1.25 and 2.0
• Insulation colors: Transparent red and transparent blue
• Insulation material: Nylon UL94V-2
[Applications]
It is used with an insulated male disconnector

From: ฿ 524.96
Days to Ship: Same day

Same day

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Insulated Crimp Terminal, Waterproof Crimp Ring【100 Pieces Per Package】

MISUMI

Insulated Crimp Terminal, Waterproof Crimp Ring [100 Pieces Per Package]
It is an equipment for connecting two wires together and comes in various sizes.
[Features]
• Compatible electric wire size (AWG): 22-20, 10 and 14
• Representative Standard: 11.5 and 15
• Insulation colors: Transparent yellow and translucent blue
• Insulation material: High density polyethylene
[Applications]
It is a equipment for connecting two wires together.

From: ฿ 1,298.78
Days to Ship: Same day

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MA Type Push on Terminal - 250 Series【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

The fittings have an insulator. MA type - 250 Series
[Features]
· For TMED shapes, copper pipe is inserted between terminal and insulator.
· 250 Series.

From: ฿ 515.00
Days to Ship: 8 Day(s)

8 Day(s)

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Waterproof Crimp Sleeve B Type【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

Waterproof performance IP57
[Features]
· The waterproof crimp terminal and crimp sleeve use a special double-layered tube for the insulation coating, consisting of “high-density polyethylene” and “polyolefin adhesive".

From: ฿ 1,153.00
Days to Ship: Same day

Same day

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Waterproof Type Crimp Sleeve (Heat-Shrink Type)

Until 31/03/2025

Waterproof Type Crimp Sleeve (Heat-Shrink Type)【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

Sleeve for crimp terminals. Optimal for preventing the ingress of moisture and dust.
[Features]
· Utilizes special double structure tubing made of high-density polyethylene with a polyolefin-based contact adhesive in the insulating sleeve.
· Heating and shrinking the sleeve with a heat gun or similar other tool after crimping bonds the tube and wire sleeve, providing a waterproof and dustproof effect.
[Applications]
· For places requiring water-proofing, oil-proofing, earthquake-proofing and dust-proofing performance.

From: ฿ 1,475.88
Special Price
Days to Ship: Same day

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Waterproof Crimp Sleeve (Heat-Shrinkable Type)【6 Pieces Per Package】

TRUSCO

[Features]
- Bonds tubes and wire sheaths after crimping via thermally contracting the sheath with a heat gun for waterproofing and dust-proofing.
[Use]
- For areas requiring protection against water, oil, earthquakes, and dust.

From: ฿ 191.01
Days to Ship: 1 Day(s)

1 Day(s)

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Until 31/03/2025

Waterproof Crimp Sleeve (Cap Type)【11 Pieces Per Package】

TRUSCO

[Features]
- Waterproof cap shuts out water.
Waterproof performance up to safety standard IP57 (IEC529).
[Use]
- For wiring within devices that require waterproofing, in places where a heat gun or other thermal tools cannot be used.

From: ฿ 235.00
Special Price
Days to Ship: 1 Day(s)

1 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Specifications
Shape
Conforming wire size(AWG)
Internal Diameter(φ)
Type
Outer Diameter(mm)
Series
Insulation coating (color)
Insulation material
Overall Length(mm)
Features
Representative Standard

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025
Brand	MISUMI	MISUMI	NICHIFU TERMINAL INDUSTRIES	MISUMI	NICHIFU TERMINAL INDUSTRIES	NICHIFU TERMINAL INDUSTRIES	MISUMI	MISUMI	NICHIFU TERMINAL INDUSTRIES	NICHIFU TERMINAL INDUSTRIES	NICHIFU TERMINAL INDUSTRIES	TRUSCO	TRUSCO
Product Series	Plug-in Model Pin Terminal, General-Model Male【100 Pieces Per Package】	Plug-in Model Pin Terminal, General Model Female【100 Pieces Per Package】	Round Type (R Type) Insulated Crimp Terminal For Copper Wire【100 Pieces Per Package】	Plug-Model Connector Terminal, 250 Series Female (Fitting Part Insulated Model)【100 Pieces Per Package】	Insertion Connection Terminal FA Type - 250 Series【100 Pieces Per Package】	Waterproof Type Pin Terminal【100 Pieces Per Package】	Plug-Model Connector Terminal, 187 Series Female (Fitting Part Insulated Model)【100 Pieces Per Package】	Insulated Crimp Terminal, Waterproof Crimp Ring【100 Pieces Per Package】	MA Type Push on Terminal - 250 Series【100 Pieces Per Package】	Waterproof Crimp Sleeve B Type【100 Pieces Per Package】	Waterproof Type Crimp Sleeve (Heat-Shrink Type)【100 Pieces Per Package】	Waterproof Crimp Sleeve (Heat-Shrinkable Type)【6 Pieces Per Package】	Waterproof Crimp Sleeve (Cap Type)【11 Pieces Per Package】
CAD	2D	2D		2D			2D	2D
From	฿ 453.22	฿ 453.22	฿ 398.25 Special Price On Sale Until 31/03/2025	฿ 457.43	฿ 543.00	฿ 583.14	฿ 524.96	฿ 1,298.78	฿ 515.00	฿ 1,153.00	฿ 1,475.88 Special Price On Sale Until 31/03/2025	฿ 191.01	฿ 235.00 Special Price On Sale Until 31/03/2025
Days to Ship	Same day	Same day	Same day	Same day	Same day	8 Day(s)	Same day	Same day	8 Day(s)	Same day	Same day	1 Day(s)	1 Day(s)
Specifications
Shape	-	-	Round	-	Other	Sleeve ring type	-	Sleeve ring type	Other	Sleeve ring type	Sleeve ring type	Other	Other
Conforming wire size(AWG)	14	14	16-14	14	14	14	14	14	14	16-14	14	14	16 to 14
Internal Diameter(φ)	-	-	4.3	-	-	3.95	-	-	-	-	2.3	-	-
Type	Insertion Type Connector	Insertion Type Connector	Crimp Terminal With Insulation	Insertion Type Connector	Insertion Type Connector	Insertion Type Connector	Insertion Type Connector	Crimp Terminal With Insulation	Insertion Type Connector	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation
Outer Diameter(mm)	4	3.95	6.6 ～ 8.5	6.8	6.8	6.9	5	-	6.35	-	4.9	-	-
Series	Pin Terminal	Pin Terminal	-	250	250	-	187	-	250	-	-	-	-
Insulation coating (color)	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue	Transparent Blue
Insulation material	Nylon	Nylon	Nylon	Nylon	Nylon	Nylon	Nylon	-	Nylon	Nylon	-	-	-
Overall Length(mm)	27.7	26.2	19.9 ～ 22	21.5	21	26.2	19.5	15	22	26.9	37	37	26.9
Features	-	-	-	-	-	-	-	Waterproof	-	Waterproof	-	-	-
Representative Standard	-	-	UL / JIS / CSA	UL / CSA	UL	-	UL / CSA	-	UL / CSA	-	-	-	-

Related Categories to Crimp Terminals

- Crimp Terminals
- Crimp Terminals (Options, Others)

FAQ Crimp Terminals

Question: Wire crimping and Soldering. Which one is better?: Answer: Wire crimping” has pros in that it is easy to install, the electricity can flow smoothly, and it can be used with various equipments. But the cons are that it costs money due to the tools used in the process. On the other hand, “Soldering” uses Flux to make electrical contact, which is cheaper than wire crimping. But the wire and contact point have less flexibility. If you use soldering in equipment that causes vibration, there is a risk of broken wires.
Question: How many Wires can crimp together?: Answer: It is not recommended for pair multiple wires in one crimp terminal when wire crimping. Because crimp terminals are designed to work with a specific size of wire, when multiple wires are combined in one crimp, the holding force is reduced, resulting in heat at the terminal.
Question: Should you twist the wire before crimping?: Answer: If stranded wire is used in wire crimping, The twisted method of copper wire before wire crimping will increase the surface density. The chance that a wire terminal will be loose or fall out after crimping is going to be reduced. and the risk of an electrical accident is also decreased.
Question: Can you use plier for wire crimping?: Answer: It is not recommended to use pliers to crimp the wire except “Wire Crimper”. because there is a chance that the wire terminal will be loose or damaged, which is called “Bad Contact”. And when the equipment is running, the heat at the terminal is going to increase more than usual because electricity cannot flow smoothly. It will cause the ark to and melted wires. Therefore, should study how to use the crimping pliers properly to prevent the danger that may occur.