A large part of this certification has to do with the materials used for fabrication of surfaces that will come into direct contact with food during normal use. This certification lets you know that the machine is safe for contact with food products. The NSF certification is a “Sanitary” certification. This certification also covers the fit and finish of many of the sheet metal housings making sure the completed machine does not have sharp edges that could cause harm to someone operating or cleaning the unit. ![]() The mechanical safety would cover any moving parts on the machine that can either pinch or otherwise cause harm to fingers and/or limbs of the machine user. When certified a list of the approved electrical parts that go into manufacturing of the machine is created which allows an engineer to compare currently used parts to those that were approved during the machine’s initial certification to make sure the safety standard is being kept up. This also covers other electrical items like use of the proper sized wiring throughout the machine. ![]() The electrical safety would cover items such as proper grounding and proper fusing of the machine. The UL and CSA are both “Safety” requirements and cover both the electrical as well as the mechanical safety of the machine.
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