4.2 Measurements shall be performed with average and either quasi-peak or peak detectors. The limits are given in Table 14 of paragraph 7.13.2.1. of this Regulation for AC lines and in Table 15 of paragraph 7.13.2.2. of this Regulation for DC lines. If peak detectors are used a correction factor of 20 dB as defined in CISPR 12 shall be applied. a0c0