U.S. regulations low voltage transformer 1, Input:100-240Vac,50/60Hz 2, OUTPUT:12Vdc ... Committee Operating: IEC 721-3-3 3M3 5-9Hz,A=1.5mm 9-200Hz,Acceleration 5m/S2 2.Transportation: ... IEC 721-3-2 2M2 5-9Hz,A=3.5mm 9-200Hz,Acceleration=5m/S2 200-500Hz, ... layers of plywoodeach 19mm to 20mm thick,all supported on a concrete or equivalent non-resilient floor.SAFETY REQUIREMENT: 6 ...