What is the proper use of extension cords, what is/is not acceptable and where are the regulations?
Here are a few examples of what is NOT acceptable: -Extension cords used en lieu of permanent wiring. Extension cords are “temporary power supplies” not a substitute for permanent wiring. Regulations state “extension cords shall only be used with portable appliances” -2 or more power strips or multiplug adapters connected to each other (supplying 8 or 10 outlets using only one permanent building outlet) -Extension cords used to supply power to a power strip or multiplug -Cords cannot pass through doorways, windows, or walls -Any damaged or frayed cords, or exposed wiring Most of these requirements come from the NYS Fire Code (Section 605). We also reference the National Electric Code (NFPA 70), and OSHA 1910.303 requirements. Basically you can use extension cords on a temporary basis for a portable device (like a hot plate or stirrer) and once you are finished using it, you need to unplug it. As per the regulations and interpretations by NYS OFPC inspectors, you cannot use an extension
