I did that not too long ago. The power strip for one of my tanks is right by the fireplace mantel. Went to stand up and didn't clear the mantel, BAM! Luckily, my husband was there to drag my sorry butt over to a chair before I fell over.
75: blood parrots, featherfin cat, emperor tetras, turquoise rainbowfish, BN plecos, japanese trapdoor; 46: WCMM, gold inca snails, ghost, bamboo & amano shrimp, kuhli loaches, rummynose & ember tetras, endlers, platies, flame gourami, guppies; 16: pygmy, peppered, loxozonus corys, otos, assassins, RCS ... ~ Research PRIOR to purchase.... ~