11. 3. 2. Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 11. 3. 3. Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 11. 3. 4. Some remarks on comfort . . . . . . . . . . . . . . . . . . . 105 11. 3. 5. Electrical heating . . . . . . . . . . . . . . . . . . . . . . . . . . 109 11. 4. Electrical fie1ds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 11. 4. 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 11. 4. 2. Open fire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

11. 3. 2. Distribution ...100 11. 3. 3. Lighting ...102 11. 3. 4. Some remarks on comfort ...105 11. 3. 5. Electrical heating ...109 11. 4. Electrical fie1ds ...114 11. 4. 1. Introduction ...114 11. 4. 2. Open fire ...114 11. 4. 3. The TV set ...119 11. 4. 4. Upholstery ...126 11. 5. Electrostatic air c1eaners and ionizers ...132 11. 5. 1. Introduction ...132 11. 5. 2. What do they have in common? ...133 11. 5. 3. What is the difference? ...139 11. 6. Health effects ...141 11. 6. 1. Introduction ...141 11. 6. 2. Air conditioning and c1imate control ...142 11. 6. 3. Equipment ...148 11. 6. 4....