Why are the housings and socles of energy-saving lamps heated?

Renat asks:
Is it possible to connect 6 ESL lamps of 15 W each with a parallel connection directly from 220? The base and housing are very hot.
The answer to the question:
And how do you think ALL lamps are connected in your apartment, house, city? Parallel.

Can. May bask due to:

  1. Undervoltage in the network.
  2. Closed ceiling.
  3. Install vertically, flask down.
  4. Just low-quality lamps.

 

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