If you just need a contact block for your fixtures you can order them separate and reuse all of your other components. These meet Class 1, Division 2 - Groups B,C,D locations.

Hermetically Sealed Contact Blocks - Class 1 Division 2 - Groups B, C, D, E

Specifications

• Contact: Hermetically Sealed
• Voltage: 6–120VAC/DC
• Contact Configuration: 1 NO, 1 NC, 1 NO/NC, 2 NO, 2 NC
• Mounting Style: Screw to Contact Block Holder
• Fastening Methods: Screw
• Material: Plastic Housing, Glass Contact
• Rating: cUL, CE – Class 1, Division 2 – Groups B, C, D, E