Sta-Kon RCT713 INS FLUOR RING TERM, 22-18, 1/4, CL

The RCT713 is a 1/4 inch ring terminal, so it lands on a 1/4 inch stud, screw or terminal post. The closed ring means you have to pull the nut or screw all the way off to install it, which is the tradeoff for a connection that cannot vibrate loose like a spade terminal can.

Yes, the RCT713 carries a 600 V rating, which covers standard commercial control panels, motor control circuits and line voltage branch wiring. It is also UL recognized under file E9809, so it will pass an inspection on work that requires listed terminations.

Fluoropolymer insulation is what you specify when the termination sees heat, oil, solvents or chemical exposure that would soften or crack vinyl. The RCT713 uses a fluoropolymer insulated barrel over a copper conductor, so it holds up in high temperature panel and engine compartment work where a standard vinyl insulated ring terminal is the wrong choice. For ordinary dry indoor control wiring, a plain vinyl insulated ring terminal does the same electrical job for less.

The barrel is copper, so it is intended for copper conductors. Do not crimp it onto aluminum wire; aluminum needs a terminal specifically marked AL or AL/CU to avoid dissimilar metal corrosion at the joint.

Country of origin on the RCT713 is the United States, which is the detail that matters on federal, military and institutional procurement where domestic sourcing language applies to electrical components.

The RCT713 has yellow insulation. On insulated terminals the insulation color is the standard wire range code, so matching color across a panel is how an electrician keeps the right terminal with the right gauge during a pull. Treat the color as the field identifier and crimp with the die that matches the terminal, not just the color.

Insulated barrel terminals like the RCT713 are crimped with an insulated terminal die, not the open barrel nest used for uninsulated lugs. Using the wrong nest splits the insulation and leaves a loose joint, which is the usual cause of a pull test failure on a 600 V termination.