Generator Interlock Kit Compatible With and similar items

Generator Interlock Kit Compatible With Sq.Are D Qo And, 3/8" Space On Main ?UL Tested?Our generator interlock kit has already passed the UL test and got the test report, the manual transfer switch device allow portable generator safe back feeding power supply to distribution panel and home line. Prevent utility and generator supplies from being ON at the same time. Aren't putting electrician in dangerous and damage electric devices during power outages ?Compatible Models?CZNZN electrical interlock Kit compatible with Square D QO or Homeline 150 or 200 amp load center breaker panel box. Apply to 1-3/8 inches interval spacing between main and generator branch breaker, other same space panels may fit. Fit indoor/outdoor generator. Mounts on front of breaker panel, no need extra control box or wiring. ?Great Tool for Conversion Power?Generator lockout kit "Lock position" by sliding the lock plate up and down, easy to switch power supply from utility or connect with a generator to power up all of your home electrical appliances, clearly indicating what you are running when protecting your generator. Stay away from darkness and coldness when power off. ?High Quality and Reusable?Built-in high quality chemical resistant and thickness solid aluminum alloy Interlock switch plates, Very durable for long term use. After chamfering and surface oxidation treatment, generator interlock kit will keep fashion look and smooth surface protect user hand. ?Items Included Warranty?Recommend to operate by licensed electricians. Easy to install, Package including everything you need. 2 Interlock plate, 3 Step screws and nuts, 1 Drill Bit, 1 Generator Start-Up Procedure Label, 5 Remind Label, 2 Zip Ties, 1 Installation instruction. Free risk on lifetime warranty. Pls contact us if you need any help.