Insulated Turrets | McMaster-Carr

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3 Products

Through-Panel-Mount Connectors

Before making a permanent connection, use these connectors to test a circuit. Also known as binding posts, they mount through panels to create a connection point.

All connectors are insulated to prevent contact with panels.

Tin-plated brass lasts the longest. Single banana jacks come in your choice of color. Double banana jacks come with one red jack and one black jack, and your choice of color for the mounting base.

Hand-held voltage ratings are the maximum tested voltage for applications where you hold a cord connected to the jack in your hands while testing. Hands-free voltage ratings are the maximum voltage the jack is rated to withstand.

For technical drawings and 3-D models, click on a part number.

Single Banana Jacks

Single Banana Jack (Black)

Single Banana Jack (Blue)

Single Banana Jack (Brown)

Single Banana Jack (Gray)

Single Banana Jack (Green)

Single Banana Jack (Orange)

Single Banana Jack (Purple)

Single Banana Jack (Red)

Single Banana Jack (White)

Single Banana Jack (Yellow)

	AC Voltage Rating		DC Voltage Rating
For Use With	Hand-Held	Hands-Free	Hand-Held	Hands-Free	For Panel Thick.	Current Per Circuit, A	For Panel Cutout Dia.	No. of Panel Cutouts	Material	Installation	Choose a Color	Pkg. Qty.		Pkg.
Banana Plugs	30	2,500	60	2,500	0.06"-0.37"	15	0.35"	1	Tin-Plated Brass	Hand Tighten	Black, Red	10	0000000	000000
Banana Plugs	30	2,500	60	2,500	0.06"-0.37"	15	0.35"	1	Tin-Plated Brass	Hand Tighten	Blue, Brown, Gray, Green, Orange, Purple, White, Yellow	10	000000	00000

Double Banana Jacks

Double Banana Jack (Black)

Double Banana Jack (Red)

	AC Voltage Rating		DC Voltage Rating
For Use With	Hand-Held	Hands-Free	Hand-Held	Hands-Free	For Panel Thick.	Current Per Circuit, A	For Panel Cutout Dia.	No. of Panel Cutouts	Material	Installation	Color	Choose a Mounting Base Color	Pkg. Qty.		Pkg.
Banana Plugs	30	2,500	60	2,500	0.06"-0.37"	15	0.37"	2	Tin-Plated Brass	Hand Tighten	Black and Red	Black, Red	1	0000000	00000