Generator Interlock-Kit Breaker-Panel Transfer Switch - for General Electric GE 150 or 200amp Panel, Apply to 1-1/4 inch Space on Main & Branch Breaker Box, Safety Manual Electric Lockout Device: Amazon.com: Tools
Powermate 7,500 Watt Gas-Powered PM9400E Electric Start Portable Generator, 49 State / CSA at Tractor Supply Co.