Cramer's lightning round: It's not too late to get in Generac

• It's that time again! "Mad Money" host Jim Cramer rings the lightning round bell, which means he's giving his answers to callers' stock questions at rapid speed.

Generac: "The stock is up huge, but it's still not too late because our power grid is failing so badly in this country that Generac is the answer."

Energy Transfer: "No, that balance sheet is from hell."

Switch: "It's good. I mean, you know, they didn't blow their numbers away, but it's just a good, steady business. I was going to counter with Vertiv ... but I like yours. I think it's good."

Centene: "It's a political year ... Let's just give [the company] a little more time ... I don't want you to leave that one."

Cisco Systems: "It's just not their moment. ... I think you're fine."

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