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3M™ Highland™ Wire Connectors make it quick and easy to match the right connector to the size of the wire. The shells are designed to withstand temperatures up to 221°F (105°C). Highland wire connectors are UL Listed and work equally well with either solid or stranded copper wire.
3M™ Highland™ Wire Connectors are available in five color/wire range options. H-29 and H-30 Highland wire connectors are rated to 300V. H-31, H-33 and H-35 Highland wire connectors are rated to 600V maximum in building wire; 1000V maximum in signs or lighting fixtures (luminaires).
Brands | Highland™ |
Case Quantity | 5000,2500,10,000,1000 |
Conductor Sizes (Imperial) | 18 -10 AWG, 18 -12 AWG, 18 -14 AWG, 22 - 14 AWG, 22 - 16 AWG |
Connection Type | Wire |
Connector Style | Twist On |
Flame Retardant | No |
Maximum Conductor Size (Imperial) | 10 AWG, 12 AWG, 14 AWG, 16 AWG, 22 AWG |
Maximum Conductor Size (Metric) | .34 mm², 1.5 mm², 2.5 mm², 4 mm², 6 mm² |
Maximum Operating Temperature (Celsius) | 105 ℃ |
Maximum Operating Temperature (Fahrenheit) | 221 ℉ |
Maximum Recommended Voltage Rating | 300 V, 600 V |
Maximum Voltage Rating | 300 V, 600 V (1000 V in signs, lighting fixtures and luminaries) |
Minimum Conductor Size (Imperial) | 14 AWG, 18 AWG, 22 AWG |
Minimum Conductor Size (Metric) | .34 mm², 1 mm², 2.5 mm² |
Product Color | Blue, Gray, Orange, Red, Yellow |
Product Type | Connector |
Solution | constructionspring, constructionspringres |
Voltage Rating | 600 V |
Wire Connector Type | Twist-on Wire Connectors |
Data Sheets
(PDF , 62KB)
Data Sheets
(PDF , 181KB)
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3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.