DS-76xx-I2/xP/4S NVR UM
10
Mandatory Electrical Requirements
Hikvision requires the following conditions and equipment for all of its electronic equipment:
Grounding
Ensure good conductivity for all ground paths; examine ground path contact surfaces for defects,
dirt, corrosion, or non-conductive coatings that may impede conductivity. Repair or clean contact
surfaces as necessary to assure good metal-to-metal contact. Ensure fasteners are properly
installed and tightened.
Electrical Wiring
Ensure your outlets are properly wired. They can be checked with an electrical outlet tester.
Surge Suppressor (Required)
Hikvision is not responsible for any damage to equipment caused by power spikes in the electrical
power grid. Use of a surge suppressor meeting the following specifications is mandatory for all
Hikvision electronic equipment:
˗ Specifications
> Listed by Underwriter’s Laboratories, meeting the UL 1449 Voltage Protection Rating (VPR)
> Minimum protection of 1,000 joules or higher
> Clamping voltage of 400 V or less
> Response time of 1 nanosecond or less
˗ Usage
> Surge suppressors must not be daisy chained with power strips or other surge suppressors
˗ Maintenance
> Replace after a serious electrical event (e.g., lighting blew out a transformer down the
street)
> Replace yearly in storm-prone areas
> Replace every two years as routine maintenance
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol Description
Provides additional information to emphasize or supplement important points of
the main text.
Indicates a potentially hazardous situation, which if not avoided, could result in
equipment damage, data loss, performance degradation, or unexpected results.
Indicates a hazard with a high level of risk, which if not avoided, will result in
death or serious injury.
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