High-Temperature Short-Resistant Terminal Blocks

Made of ceramic, these blocks withstand high-temperature applications such as ovens and furnaces. They have recessed screws to reduce the chance you’ll cause a short by accidentally connecting two circuits with a screwdriver or other tool.
Mounting Holes | ||||||||||||
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No. of Circuits | For Wire Gauge | Wire Connection Type | Terminal Ctr.-to-Ctr. | Lg. | Wd. | Ht. | Mounting Fasteners Included | Dia. | No. of | Specifications Met | Each | |
840° F Max. Temperature | ||||||||||||
600V AC/600V DC—20A Per Circuit | ||||||||||||
2 | 20-12 | Screw Terminals | 7/8" | 1 9/16" | 1 1/4" | 13/16" | No | 0.19" | 1 | __ | 0000000 | 000000 |
3 | 20-12 | Screw Terminals | 7/8" | 2 7/16" | 1 1/4" | 13/16" | No | 0.19" | 2 | __ | 0000000 | 00000 |
1,110° F Max. Temperature | ||||||||||||
300V AC/300V DC—20A Per Circuit | ||||||||||||
1 | 24-12 | Screw-Clamp Terminals | __ | 7/16" | 15/16" | 3/4" | __ | __ | __ | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
2 | 24-12 | Screw-Clamp Terminals | 5/16" | 11/16" | 15/16" | 3/4" | __ | __ | __ | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
2 | 24-12 | Screw-Clamp Terminals | 1/2" | 15/16" | 15/16" | 3/4" | No | 0.14" | 2 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
3 | 24-12 | Screw-Clamp Terminals | 5/16" | 1" | 15/16" | 3/4" | __ | __ | __ | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
3 | 24-12 | Screw-Clamp Terminals | 1/2" | 1 7/16" | 15/16" | 3/4" | No | 0.14" | 2 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
300V AC/300V DC—30A Per Circuit | ||||||||||||
1 | 22-10 | Screw-Clamp Terminals | __ | 1/2" | 1" | 3/4" | __ | __ | __ | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
2 | 22-10 | Screw-Clamp Terminals | 9/16" | 1" | 1" | 3/4" | No | 0.14" | 2 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
3 | 22-10 | Screw-Clamp Terminals | 9/16" | 1 5/8" | 1" | 3/4" | No | 0.14" | 2 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
4 | 22-10 | Screw-Clamp Terminals | 5/16" | 1 9/16" | 13/16" | 5/8" | No | 0.14" | 1 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
300V AC/300V DC—65A Per Circuit | ||||||||||||
2 | 18-6 | Screw-Clamp Terminals | 11/16" | 1 1/4" | 1 1/8" | 15/16" | No | 0.14" | 2 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
3 | 18-6 | Screw-Clamp Terminals | 11/16" | 1 7/8" | 1 1/16" | 15/16" | No | 0.14" | 2 | UL Recognized Component, C-UL Recognized Component | 0000000 | 0000 |
Ultra-High Temperature Twist-On Wire Splicing Connectors

Made of porcelain, these connectors can withstand temperatures up to 1200° F. Use them to make quick, secure wire connections without crimping.
For technical drawings and 3-D models, click on a part number.
For Wire Gauge | Min. Wire Combination | Max. Wire Combination | Color | For Wire Type | Insulation Material | Terminal Material | Max. Voltage | Max. Temperature, °F | Specifications Met | Pkg. Qty. | Pkg. | |
18-14 | Two 18-ga. Wires | Two 16-ga. Wires with One 18-ga. Wire | White | Stranded | Porcelain | Porcelain | 300V DC 300V AC | 1200° | UL Listed, CSA Certified | 10 | 000000 | 000000 |
18-14 | Two 18-ga. Wires | Two 16-ga. Wires with Two 18-ga. Wires | White | Stranded | Porcelain | Porcelain | 300V DC 300V AC | 1200° | UL Listed, CSA Certified | 10 | 000000 | 00000 |
18-14 | Two 18-ga. Wires | Four 16-ga. Wires | White | Stranded | Porcelain | Porcelain | 300V DC 300V AC | 1200° | UL Listed, CSA Certified | 10 | 000000 | 00000 |
Terminal Blocks for Thermocouple and RTD Connection Heads


Connect thermocouples and RTDs to extension wire and instrumentation. These terminal blocks mount inside a connection head and work with any thermocouple or RTD probe type. Choose one with enough circuits to accommodate your probe. Make sure to connect extension wire that matches your probe type.
For technical drawings and 3-D models, click on a part number.
Mounting Slot | |||||||||||||
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No. of Circuits | For Max. Wire Gauge | Max. Temperature, °F | Dia. | Ht. | Wd. | Dp. | Material | Mounting Fasteners Included | No. of | Ht. | Wd. | Each | |
Round | |||||||||||||
Screw Terminals | |||||||||||||
2 | 14 | 1000° | 1 15/16" | __ | __ | 3/4" | Ceramic | Yes | 2 | 3/16" | 5/16" | 0000000 | 000000 |
3 | 14 | 1000° | 1 15/16" | __ | __ | 3/4" | Ceramic | Yes | 2 | 3/16" | 5/16" | 0000000 | 00000 |
4 | 14 | 1000° | 1 15/16" | __ | __ | 3/4" | Ceramic | Yes | 2 | 3/16" | 5/16" | 0000000 | 00000 |
6 | 14 | 1000° | 1 15/16" | __ | __ | 3/4" | Ceramic | Yes | 2 | 3/16" | 5/16" | 0000000 | 00000 |
Oblong | |||||||||||||
Screw Terminals | |||||||||||||
2 | 14 | 1000° | __ | 1 3/8" | 2" | 1" | Ceramic | Yes | 2 | 3/16" | 9/16" | 00000000 | 00000 |
3 | 14 | 1000° | __ | 1 3/8" | 2" | 1" | Ceramic | Yes | 2 | 3/16" | 9/16" | 00000000 | 00000 |
4 | 14 | 1000° | __ | 1 3/8" | 2" | 1" | Ceramic | Yes | 2 | 3/16" | 9/16" | 0000000 | 00000 |
6 | 14 | 1000° | __ | 1 3/8" | 2" | 1" | Ceramic | Yes | 2 | 3/16" | 9/16" | 0000000 | 00000 |