sentences:  Another advantage is when used in 12-volt track lighting systems the bare wires/connectors can be touched without fear of electrocution.MR lamps have several disadvantages over other types of lighting, most notably their high operating temperature and the risks of explosion from their pressurized bulb.The halogen bulb can reach temperatures over 200 °C, increasing the risk of fire should anything flammable come in contact or even be in close proximity to the bulb or fixture.