Abstract: An electric hotplate has leads projecting from the underside and whose ends form connecting pins and provided with plugging pieces in the form of flat plugging tongues, connected by plugging connections to matching plugs of apparatus lines. On the plugging pieces is mounted an insulator which, like the plugging pieces, forms a preassembled unit and can be transferred from a stacking position into a connection position. The matching plug can be formed by a socket with stops acting in and counter to the plugging direction and whereof one is constructed so that it automatically snaps in.

Abstract: An electric hotplate has a hot plate body and plugging pieces for connection to connecting members of supply lines. A stacking aid is provided for receiving a plurality of hotplates in a multilayer stack, the stacking aid having pallet plates providing receptacles for receiving the plugging pieces of each single hotplate laterally outside of each single hotplate.