3 Ver. 0.2
• It is recommended to reserve a service walkway when designing the solar PV system.
-
Do not place heavy objects on modules.
-
Do not drop sharp objects on modules.
-
Do not lift or transport modules by grasping the junction box or electrical leads.
-
Do not drop the module down hard on any surface.
-
Do not perform any work if the cables, connectors or junction box are wet due to the risk of electrical
shock.
-
Do not work in rain, snow or windy conditions.
-
Under normal conditions, a photovoltaic module is likely to experience conditions that produce more
current and/or voltage than reported at standard test conditions. Accordingly, the values of Isc and Voc
marked on this module should be multiplied by a factor of 1.25 when determining component voltage
ratings, conductor capacities, fuse sizes, and size of controls connected to the PV output. Refer to
Section 690-8 of the National Electrical Code of an additional multiplying factor of 125 percent (80
percent de-rating) which may be applicable.
Fire Safety
-
NSP modules are rated as Fire Class C according to UL 790 Standard.
-
To use components such as earth ground fault circuit breakers, fuses and circuit breakers as required
by local authority in the PV system for fire prevention.
-
The fire safety of building may be affected by the roof construction and installations. Improper
installation may cause hazards in the event of fire.
-
Consult with local authority for guidelines and requirements for building or structural fire safety.
-
For roof installation, PV modules should be mounted over a fire resistant roof covering which is rated
for the application.
-
Since sparks may be produced, do not install modules near equipment or locations where flammable
gases can be generated or collected.
-
In case of fire, NSP modules on the roof are likely to produce dangerous DC voltage and may have
potential hazard, even in the case of:
• Low light intensity
• Modules being disconnected from the inverter
• Modules being partly or entirely destroyed
-
When fire has been extinguished or for the duration of fire, stays away from all elements of the PV