How to check the photovoltaic bracket label

Where can I find a label for a PV inverter?

Section 690.54 requires a label at the point where the PV system interconnects to other sources such as the premises wiring system. The label must have the rated ac output current and the nominal operating ac voltage. This rated ac output current can be found on the inverter nameplate. See Figure 6.

Do I need a warning label on my PV inverter?

Section 690.5 covers the ground fault detection/interruption for the PV system and requires a warning label on the utility-interactive inverter or near the ground-fault indicator at a visible location. Most often, these labels are applied on the inverter by the manufacturer. See Figure 1. Figure 2.

Why do I need a voltage label?

This is required for safety purposes to clearly indicate the maximum voltage to servicing personnel for PPE and tool selection. Since some PV equipment, such as certain inverters, may have multiple DC circuit inputs, the highest value present in the system shall be used on the single label.

How do I know if a wiring system has a label?

The labels or markings shall be visible after installation. All letters shall be capitalized and shall be a minimum height of 9.5 mm (3⁄8 in.) in white on a red background. Labels shall appear on every section of the wiring system that is separated by enclosures, walls, partitions, ceilings, or floors.

Do I need a maximum ESS DC voltage label?

Some municipalities require Maximum ESS DC Voltage, so this has been added to the label by HellermannTyton. In the NEC 2020 Code, MAXIMUM ESS DC VOLTAGE ADDED. The labeling in 706(D)(1-4) shall not be required if an arc-flash label is applied in accordance with accepted industry practice.