Wiring Heads
- Aluminum Screw Cover
- Aluminum Flip Top (Glass Viewing Cover)
- Cast Iron
- Stainless Steel
- Plastic Heads
- 2,3,4 or 6 pole designs
- Mini Terminal Blocks support 2,3 or 4 pole designs
- Material: Al2O3 45% which is stronger ceramic; resistant to cracking or flaking. Some models available in bakelite.