TR symbol on residential receptacles assures they meet the 2008 NEC requirement A shutter mechanism inside the device blocks access to the contacts unless a two-prong plug is inserted, helping ensure foreign objects will be locked out.
Ditek DTK-2LVLPLV Double Pair Surge Protector The DITEK-DTK-2LVLPLV is a signal, data and loop circuit surge protector that provides strong protection in a compact hard wire package. Applications include protection of 4-20mA current loops, alarm panel NAC, SLC and IDC loops, and burglar alarm panels. The DTK-2LVLPLV protects 2 communication pairs and can handle #22-#16 AWG wiring connections.
Glas-Col Powr-Trol Power Regulator Low cost voltage regulator The PowrTrol is small in size and can be used to regulate the input voltage of resistive devices by turning the dial knob. Just plug your resistive load into the receptacle on the back, turn on the switch and adjust the dial. The higher the number on the dial, the hotter your load will get.
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