31.3 Installation and Connection of Disk Array UnitWARNING Do not use the disk array unit in an area with much moisture or waterusage. If so, a fault, electrical shock, or fire may occur. Do not use the disk array unit in an area where inflammable gas and/orcombustible substance are placed. If so, fire or explosion may occur. Do not install the disk array unit in an area of much moisture or dust.Remove dust adhering to AC outlets and the plugs of power cords, if any.If dust remains adhering to an AC outlet and/or plug, fire may occur. Do not concentrate power cords only to some AC outlets. If so, fire mayoccur. Do not put a heavy substance on a power cord. If so, the coating of thepower cord may be broken, fire may occur, and/or you may be electricallyshocked. Do not connect the plug of a power cord to an AC outlet with a wet hand. Ifso, you may be electrically shocked.CAUTION Make sure to disconnect all power cords and FC cables before relocatingthe disk array unit. If not, a malfunction of the system, an electric shockand/or fire may occur. While the disk array unit can accept the power of 100 - 240 VAC (50/60Hz), the power cord coming with the disk array unit can only accept 100 –120 VAC. Use 100 – 120 VAC (50/60 Hz) when the attached power cordis used. Using power of different voltage may cause electric shock,smoke, and/or fire to occur. Do not install the disk array unit and the power cords in an area with directsunshine or near an apparatus generating heat such as a heater. If so, afault may occur. Further, the coating of the power cord may be melted tocause fire or electric shock to occur.