Where Are Torch Spark Plugs Made?

Where Are Torch Spark Plugs Made? Help us make the future years even better. Country: People Republic of China. Sophisticated OE spark plug assembly line, Help you to be professional spark plug manufacturer in your local market! Who makes the torch spark plug? Weichai torch technology co.,ltd is the largest spark plug manufacturer in China

When Did The UK Start Using 3 Pin Plugs?

When Did The UK Start Using 3 Pin Plugs? The first British standard for domestic three-pin plugs was BS 317 Hand-Shield and Side Entry Pattern Three-Pin Wall Plugs and Sockets (Two Pin and Earth Type) published in 1928. When did 3 prong plugs become standard? In 1969, Underwriters Laboratories mandated three-prong plugs on major appliances