Sta-Kon RA18-6FS INS NYL FORK TRM FLG 22-16 No6 RED

The RA18-6FS is sized for 22 to 16 AWG stranded copper wire. The red insulation is the standard color code for that range, so if you're working a panel with mixed gauges you can identify the 22-16 crimps by sight. For 16-14 AWG you'd need the blue-coded size up, not this one.

Yes. The RA18-6FS is built for a No. 6 stud or screw, which is the common size on small terminal blocks, relays, and control devices. The fork (spade) tongue slips under a loosened screw instead of requiring you to pull the screw out, which is why it's preferred over a ring tongue on crowded strips.

The insulation on this fork terminal is rated to 600 V, which covers standard commercial and industrial control, lighting, and power branch circuits. It also carries a UL file reference of E9809, so it will satisfy an inspector looking for a listed termination on 22-16 AWG.

A fork terminal lets you land the wire without removing the screw, which saves real time on a densely packed terminal strip or a device you're changing out live-adjacent. The RA18-6FS adds flanged tongue edges, which are turned up to resist the wire pulling out sideways from under the screw head, something a plain fork can do. A ring terminal is still the better call where vibration is heavy or code/spec requires a captive connection, since the ring cannot back off the stud at all.

The barrel on the RA18-6FS is copper with nylon insulation over it. That makes it a copper-only termination, so use it on copper or copper-clad stranded conductors. Do not crimp aluminum conductors into it, aluminum needs a terminal specifically marked AL or AL/CU.

Use an insulated-terminal crimper matched to the 22-16 AWG red color code die. A general purpose plier or a non-insulated die will crush the nylon sleeve and give you a connection that fails pull test. Nothing else is required to land the terminal, the No. 6 screw on your device or block is what holds it.

Country of origin on this fork terminal is the United States. If you are submitting on a government, federal transit, or institutional project with domestic content language, that is the data point procurement will ask for. The orderable part number is RA18-6FS.

Nylon takes abuse better than vinyl. It resists cracking when the terminal is flexed or pulled during pull-in, and it holds up to higher temperatures and to oils and solvents found in mechanical rooms and equipment enclosures. On the RA18-6FS the nylon sleeve also supports the wire entry, which reduces strand fatigue where the conductor leaves the barrel. For MRO stock in a plant or hospital, nylon is the usual standardization choice.