Posted on 1/5/21 7:41 AM
Barcodes have come a long way since their first patent was approved in 1952. From the workhorse of the 1-D barcode to 2-D and QR codes, it is not an overstatement to say the barcode has revolutionized how companies, institutions and agencies manage inventories. And a whole lot more.
Posted on 6/8/20 3:00 PM
Underwriters Laboratories’ (UL) 94 Standard for Safety Tests for Flammability of Plastic Materials for Parts in Devices and Appliances defines acceptable flammability ratings of plastic materials for parts in devices and appliances in North America. The First Edition of UL 94 appeared in September of 1972. And on September 16, 1988, the Department of Defense (DoD) adopted UL 94. Since then, there have been several updated editions of UL 94.
Posted on 3/30/20 3:25 PM
Posted on 10/22/19 8:04 AM
User safety is a huge benefit of incorporating a Ground-Fault Circuit-Interrupter (GFCI) into an electrical product, such as a socket.
Posted on 8/26/19 8:06 AM
The configurations on NEMA plugs and sockets are designed to assist in keeping electrical connections safe.