Source google image: https://www.legrand.fr/sites/default/files/styles/lar_700/public/pro_norme_nfc15_100_circuit_lum_med_9_5_0.jpg?itok=Kr6nBVw6
Norme electrique pour eclairage
Source google image: https://www.legrand.fr/sites/default/files/styles/lar_700/public/pro_norme_nfc15_100_circuit_lum_med_9_5_0.jpg?itok=Kr6nBVw6