I need an enclosed rotarty switch (enclosed), it fits inside the tubing of the halagen lamp 120v, the wires on the switch must be enclosed to prevent shorting out inside the tube so it doesn't short out. Where can I find a replacement, zing ear part #136609 Thank you

Try here:
Switches available at Ken's Electronics, (Wholesale & Retail Electronic Parts) Kalamazoo, Michigan (http://www.kenselectronics.com/lists/switches.htm#ZingEar)