| 摘要 |
An electric immersion heater having one or more heating element assemblies fittingly enclosed by a corrosion-resistant cover made of substantially equal two halves and having a cord inlet opening. A feeder cord is secured to the inlet opening, and its conductors are bared between the inlet opening and the terminal of the heating element assembly, which bare conductor portion is insulated in at least two layers, a short porcelain tube layer and a thermally contractable silicone tube.
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