EMP Shield Single Phase 120/240 Volt Concealed Model (SP-120-240-RL) The answer is simply more

The answer is simply more copper

and fittings for assembly included

Contains two 4 inch busbars with lugs on each

Purchased after 1/20/2015: PWRINV250012W

Terminal block

EMP Shield Single Phase 120/240 Volt Concealed Model (SP-120-240-RL) The answer is simply moreEMP Shield Home EMP & Lightning Protection + CME Defense (SP 120 240 RL Concealed Model for flush mount breaker boxes) Surpasses All Military EMP Testing Standards MIL STD 188 125 1 MIL STD 464C MIL STD 461 G RS 105 (90,000 Volts) Tested at Intertek EMP Shield products are tested at Intertek to UL 1449 Standards IP 66 Rated For use in extreme hot and cold climate conditions. Extreme weather proven at Edison Testing Laboratories Backed by $25,000 of