RV Electrical, Solar & Battery Bank Tooling

When making high-current connections between an RV inverter and 12V battery bank, why is a hydraulic hex crimper required for cable lugs?

Next

 Correct IncorrectA 2,000W inverter pulls roughly 170-200 amps DC at 12V. Hand-hammering lugs can leave micro air gaps causing high resistance and dangerous electrical fires. Hydraulic dies compress the copper strands into a solid gas-tight mass.

When making high-current connections between an RV inverter and 12V battery bank, why is a hydraulic hex crimper required for cable lugs?

• To coat the copper in non-stick Teflon
• To bend the copper wire into a heart shape
• To make the wire waterproof against rain puddles
• To achieve cold-weld gas-tight compression that eliminates high-resistance hotspots at 200+ amps