What happens if I knock a lamp over? oil lamps liquid wax cells safety Our lamps are very stable and rarely knocked over. If it does happen, the liquid wax container will not break even if the shade does. Very little fuel escapes, if any, and this will not burn without the wick anyway. If the candle flame does not go out, it will burn quietly and will not flare or flash because the fuel has a very high flashpoint, which makes it very safe.