If you don’t know, the full scope of precautions you should take and you don’t know anything about electrical and your best Intuition is to ask a bunch of Internet strangers whose expertise may be much less than those that you do not even possess then This is not a project that you should even be attempting. If you make a mistake, the cost is high. Electrocution, electrical, fire, loss of life and property. When the fire marshal comes in to inspect the cause of the fire and your insurance company finds out that it was a shade tree job, don’t expect your coverage to replace the damage and losses. Sometimes you just have to suck it up and do it right.