| SWG | CONDUCTOR DIA. SIZE IN MM | CONDUCTOR TOLERANCE IN MM | MINIMUM SIZE IN MM | MAXIMUM IN MM | RES. AT 20`C. MIN OHM./MTR. | RES. AT 20`C. MAX OHM./MTR. | GRADE 1 Fine Covering (Max.)) | GRADE 1 Fine Covering (Min.) | GRADE 2 Medium Covering (Min.) | GRADE 2 Medium Covering (Max.) | GRADE 3 Thick Covering (Min.) | GRADE 3 Thick Covering (Max.) | Elogation in % Minimum | B.D.V. VOLTS Minimum | SWG |