Steve619877
Member
- Location
- Texas
Hello, First post here.
I am wrapping up a pool and deck renovation for a customer in the DFW region. Customer is now requesting I install low voltage deck step lights which will be located less than 5 feet from the pool water. Although I’ve installed many conventional 411.1 low voltage luminaries around pools, I have limited experience with solar, and will sub out this install if we proceed. But want to set proper customer expectations as to whether this is feasible.
Owner desires 12v solar off grid and is requesting this package system setup for this step lighting package.
The Panel:
The Charge Controller:
Fuse Cable:
The Battery:
Lights:
4.5 watt 12 volt DC LED lights, 5 total.
Hence my questions, since this system is an inverter-less stand alone PV System of less than 30 volts feeding a utilization load of 22.5 watts, does this minimalist system fly under the scope of Section 680.2 and Section 680.22(B)(6)? Would 411.1 be applicable code here? Does anyone see a potential disapproval scenario from an inspector for a less than 5 foot from water lighting installation. Panel, charge controller and battery will be 20 feet from water. I will have to investigate, but I also believe the listing and labeling requirements of Atricle 690 are met on this package.
Thank you.
I am wrapping up a pool and deck renovation for a customer in the DFW region. Customer is now requesting I install low voltage deck step lights which will be located less than 5 feet from the pool water. Although I’ve installed many conventional 411.1 low voltage luminaries around pools, I have limited experience with solar, and will sub out this install if we proceed. But want to set proper customer expectations as to whether this is feasible.
Owner desires 12v solar off grid and is requesting this package system setup for this step lighting package.
The Panel:
| Maximum Power: 100W Monocrystaline | [h=1][/h] |
| Optimum Operating Voltage (Vmp): 18.9V | Open-Circuit Voltage (Voc): 22.5V |
| Optimum Operating Current (Imp): 5.29A | Short-Circuit Current (Isc): 5.75A |
The Charge Controller:
| Nominal System Voltage: 12V/24V Auto Recognition | Max Solar Input Voltage: 100 VDC |
| Rated Battery Current: 20A | Mounting Oval: 0.30 x 0.18in |
| Rated Load Current: 20A | Net Weight: 3.08 lb. |
| Max. PV Input Short Current: 25A | Discharge circuit voltage drop: ≤ 0.15V |
| Max. Battery Voltage: 32V | Overall Dimension: 8.27 x 5.94 x 2.34 in |
Fuse Cable:
| Length: 2ft | Current Rating: 20A |
| Rating Voltage: AC Uo/U 0.6/1 KV, DC 1.8KV | Voltage Rating: 72V |
| Temperature: -40°F to +194°F | Interrupt Capacity: 180A (48V) |
The Battery:
- Cells per unit: 6
- Voltage per unit: 12
- Capacity: 100Ah at 20-hour-rate to 1.75-Volt per cell at 25°C
- Maximum discharge current: 1000 Amp (5-second)
- Normal operating temperature range: 25C5C
- Float charging voltage: 13.6 to 13.8 VDC/unit average at 25°C
- Recommended maximum charging current: 20 Amp
- Container material: A.B.S. UL94-HB
Lights:
4.5 watt 12 volt DC LED lights, 5 total.
Hence my questions, since this system is an inverter-less stand alone PV System of less than 30 volts feeding a utilization load of 22.5 watts, does this minimalist system fly under the scope of Section 680.2 and Section 680.22(B)(6)? Would 411.1 be applicable code here? Does anyone see a potential disapproval scenario from an inspector for a less than 5 foot from water lighting installation. Panel, charge controller and battery will be 20 feet from water. I will have to investigate, but I also believe the listing and labeling requirements of Atricle 690 are met on this package.
Thank you.
It's debatable if a staked light is permanently 'installed' but if it is, there would only be one section of the NEC that would apply, which would be 110.3(B).