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Mailing Address:

P.O. Box 2617

Waterloo, Iowa 50704

Shipping Address:

201 E. Mullan Avenue

Waterloo, Iowa 50704

Phone: (319) 234-6681

Fax: (319) 234-6684

Email Sales: click here

Office hours:

Monday-Friday,

8am-5pm, central time

 

Alligator Clips

At Farnsworth Electronics, Inc. we carry Mueller brand alligator clips and insulator boots. We also carry other brands! Mueller clips are the original clips. Their current design reflects 90 years of continuous innovation and improvements. They are made of the best materials for strength and holding power. Many of the clips have been exhibited a usable life of over 200,000 cycles. Just remember MUELLER for all your alligator clips and insulator boots and remember to get them at Farnsworth Electronics, Inc.

We also have less expensive alligator clips and insulator boots available from Philmore!

  

Click here to see the Mueller Clip and Insulator Reference Chart

We've got one of our featured vendors, Philmore Manufacturing's catalog available online.

Click here to see the catalog.

Mueller Black

Insulator Boot

Mueller 85 series

Alligator Clip

Mueller 27 series

Alligator Clip

Mueller Red

Insulator Boot

Mueller

Alligator Clip
 

Test Lead Wire
Perfect for making test leads. This is same quality wire as used on Philmore #'s 466 & 467 Test Leads.

Wire is 18 Gauge tinned and stranded. O.D. of cable is .135 inches. Lead wire is very flexible

and guarantees no kinked leads. Available in Red and Black.
# 472 -25 ft., black, # 476 -25 ft., red, # 474 -100 ft., black, # 478 -100 ft., red
 

Jumper Cable Sets
10-piece sets Color coded lead wires with insulated alligator clips on each end. Each set includes ten leads, two each of five different colors. Indispensable for testing service, during circuit design etc.

Colors: Black, Green, Red, White and Yellow

Philmore # SA10-Economy set, standard (3 strand wire) 14 inches long
Philmore # SA22-Tech’s Jumper Cable Set, (12 strand wire), 22 inches long

Heavy Duty

Jumper Cable Sets
For serious user in the lab or test bench, sets includes five tough Jumper Cable, of five different colors,

with insulated alligator clips one each end.
20 strand wire and flexible insulation is used for

long life.
Colors: Black, Green, Red, White and Yellow

Philmore # SA44-Set of five, 22” long leads
Philmore # SA45-Set of five, 36” long leads

 
 

Mueller Clip and Insulator Reference Chart

CLIP NUMBER 

AMPS 

WIRE ATTACHMENT

 JAW OPENING 

USE WITH INSULATOR

WIRE AWG

PLATING

BU-11APN/APS

100

Lug 

1 -5/8"

13

Up to 3/0

Zinc

BU-11CPN/CPS

200

Lug 

1 -5/8"

13

Up to 3/0

Solid Copper

BU-21APN/APS

50

Crimp/Screw

1 -1/16"

23

Up to 8

Zinc

BU-21CPN/CPS

100

Lug 

1 -1/16"

23

Up to 8

Solid Copper

BU-24APN/APS

25

Crimp/Screw

3/4"

26

Up to 10

Zinc

BU-25 

40

Crimp/Screw

3/4"

26

Up to 10

Zinc

BU-25C

75

Crimp/Screw

3/4"

26

Up to 10

Solid Copper

BU-27

20

Crimp/Screw

5/8"

29/90

Up to 12

Zinc

BU-27C

40

Crimp/Screw

3/16"

29/90

Up to 12

Solid Copper

BU-27CG

40

Crimp/Screw

3/16"

29/90

Up to 12

Solid Copper

BU-27CGW

40

Crimp/Screw

3/16"

29/90

Up to 12

Solid Copper

BU-30 

5

Crimp/Solder

3/16"

32

20-24

Nickel

BU-30BL 

5

Crimp/Solder

3/16"

31

18-24

Nickel

BU-30C 

5

Crimp/Solder

3/16"

32

20-24

Solid Copper

BU-30TBO

5

Threaded

3/16"

31

20-24

Nickel

BU-33C

300

Lug 

1 -13/16"

35

Up to 300MCM

Solid Copper

BU-34 

5

Crimp/Solder

3/16"

36

20-24

Nickel

BU-34C

5

Crimp/Solder

3/16"

36

20-24

Copper

BU-41A 

200

Crimp/Solder

1 -9/16"

Insulated

Up to 1

Copper

BU-41C

400

Crimp/Solder

1 -9/16"

Insulated

Up to 1

Solid Copper

BU-45 

5

Crimp/Screw

7/32"

47

16-22

Zinc

BU-45C

10

Crimp/Screw

7/32"

47

16-22

Solid Copper

BU-46A 

50

Crimp/Solder

1 -1/8"

Insulated

Up to 10

Copper

BU-46C

75

Crimp/Solder

1 -1/8"

Insulated

Up to 10

Solid Copper

BU-48B 

10

Crimp/Screw

1/2"

49

14-20

Zinc

BU-48B2E

10

Crimp

1/2"

49

14-20

Zinc

BU-48C

20

Crimp/Screw

1/2"

49

14-20

Solid Copper

BU-50C 

20

Crimp/Screw

1/2"

49

14-18

Solid Copper

BU-51C

20

Crimp/Screw

1/2"

49

14-18

Solid Copper

BU-55

10

Crimp/Screw

7/16"

49

14-20

Zinc

BU-60 

10

Crimp/Solder Plug-On

5/16"

62

14-20

Nickel

BU-60C 

10

Crimp/Solder Plug-on

5/16"

62

14-20

Solid Copper

BU-60CHS

10

Crimp/Screw

5/16"

Insul Barrel

14-20

Solid Copper

BU-60CS 

10

Crimp/Screw

5/16"

62

14-20

Solid Copper

BU-60H 

10

Crimp/Solder

5/16"

Insul Barrel

14-20

Nickel

BU-60HS

10

Crimp/Screw

5/16"

Insul Barrel

14-20

Nickel

BU-60HPR 

10

Pin/Prod/Tip

5/16"

Insul Barrel

14-20

Nickel

BU-60PR2 

10

Pin/Prod/Tip

5/16"

62

14-20

Nickel

BU-60S 

10

Crimp/Screw

5/16"

62

14-20

Nickel

BU-60TBO

10

Threaded

5/16"

62

14-20

Nickel

BU-60U

10

Crimp/Solder

5/16"

62

14-20

Nickel

BU-61

10

Pin/Prod/Tip

5/16"

62

NA

Nickel

BU-63 

10

Crimp/Screw

1/4"

Insulated

14-20

Nickel

BU-63C

10

Crimp/Screw

1/4"

Insulated

14-20

Solid Copper

BU-65

30

Plug-on 

3/4"

Insulated

NA

Nickel

BU-70 

5

Crimp/Solder

5/16"

72

16-20

Nickel

BU-70C

10

Crimp/Solder

5/16"

72

16-20

Copper

BU-70CS 

10

Crimp/Screw

5/16"

72

16-20

Copper

BU-70S

5

Crimp/Screw

5/16"

72

16-20

Nickel

BU-75K 

10

Screw

5/16"

Insulated

NA

Silver

BU-78K

10

Solder

1/2"

None

NA

Gold