Service Expert certified electrician - Faq's - Diagnosis & Repair - When using a series of cords, be sure they are all the same rating, and check with the manufacturer or your local licensed electrical contractor to see if it is safe. How many times have you observed your neighbor using a weed-whacker that is connected to a series of four or five extension cords in order to reach the far corner of the yard? Probably plenty of times. Online electrical items for ceiling fans installation, electrical panel inspection, faulty wiring troubleshooting, light fixtures ..More