crosslighting as in two lights yes, could be mh/ hps or whatever combo you feel, the point i was making is that the point were the two lights over lap will give you some amazing buds. a clone cabinet is a great idea, like i said earlier they prefer a different environment to the mature plants so giving them a dedicated area is a great idea
as for electric shocks from appliances, do you not have it earthed? in the u.k every domestic appliance is earthed to prevent such shocks, like i said i have never had a shock from one and i'm not the most careful of people