Utility Vaults

Hy-Grade offers a complete range of underground utility products; including transformer vaults, handholes and manholes commonly used for electrical and communication applications. Our declaration is to be the best supplier of underground utility products by manufacturing high quality underground utility products complimented by exceptional service.

Transformer Vaults & Pads

Single Phase

• 1-G-138
• TP-142D
• TP-142-48D
• TP-145

Three Phase

• TP-102
• TP-103D
• TP-103-48D
• TP-103-48D 2K (for up to 2000 kVa)

Utility Manholes

• Manhole Utility Vaults

Miscellaneous Utility Vaults

• Splicer Vault
• LB-100
• LB-200
• PED-20    
• PED-22 
• Handhole HW-200 (OPSD 2112.01)
• Handhole HW-300 (OPSD 2112.02)