lamp holder:Used for illuminant fixation of home electrical appliances,such as refrigerators,freezers and congealers. E12 & ... The E14N lamp holder is mainly used for illuminant fixation of home electrical appliances, such as refrigerators,freezers and congealers,also ... shall be smooth and finish,whthout the defects of blistering,crack,lacking of materials,swelling and eformation, etc.the markong shall ...