Question 1

What is the wattage used... Not the voltage.  I need the wattage used per foot.

Accepted Answer

The LED's are ~150mw each (0.165 watt, multiplied by the number of LED's per foot, multiplied by the total length of your system should give you a reasonable answer for supply requirements).

Question 2

how many watt's do they use

Accepted Answer

the adapter output is 12 volt dc and 1 amp, so 12watts.

Question 3

Is there a way to cut and add wire between cuts to go from 1 shelf to another shelf and if so how?

Accepted Answer

Yes. You will need a soldering iron, solder 20 gage wire. Cut lights to length need, cut only where scissor marks are, then lay flat with lights facing up. Take utility knife and cut away about 3/8 of a inch of clear plastic down to backing (but don’t cut all the way through) exposing copper strips. Solder wire to each copper strip. There is a positive and negative side. So before you connect to power source make sure your lights come on. I use it to light up building on my garden garden railroad. I use 9 volt batteries to power each building. Hope that helps!

Question 4

Can these be wired directly to low voltage landscape wires?

Accepted Answer

Fast answer is it would be iffy at best, at worst it could burn out some or all of the LEDs. See further explanation below:

12 V landscape systems are predominantly 12 V AC. These are LED (Light Emmitting Diodes) so being "Diodes" they are self rectifying, i.e. convert AC to DC. However 12VAC rms can convert to over 16 VDC. So I quiried the manufacturer, and they stated that the reverse breakdown voltage was between 16 and 22 volts. Hence connecting them directly to most 12vac landscape systems would be on the borderline. 
My landscape system only puts out 6.5 vac. (I think half of it's 12v transformer is shorted out) I used a cheap, $2, full wave bridge rectifier which then put out 12.5 vdc. That powered this strip perfectly. The rectifier gets hot, guessing about 60C.

If your system puts out 12vac, even with a rectifier you should use either a voltage regulator, or a high wattage in line resistor to drop the voltage for some margin of safety.

ASIN	B075L4M9BJ
Additional Features	Cordless
Best Sellers Rank	#24,259 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #243 in LED Strip Lights
Brand	GUOTONG
Brand Name	GUOTONG
Color	Yellow
Color Temperature	3000 Kelvin
Control Method	Touch
Controller Type	Button Control
Customer Reviews	4.4 out of 5 stars 3,654 Reviews
Form Factor	Strip Lights
Included Components	1pc 300 SMD 2835 16.4ft / 5m non-dimmable daylight white LED strip, 6pc clip and 6 fixing screws
Indoor Outdoor Usage	Indoor
Indoor/Outdoor Usage	Indoor
Ingress Protection Code Rating	IP44
Item Length	16.4 feet
Item Weight	4.16 ounces
Light Color	Warm White
Light Source Type	LED
Manufacturer	GUOTONG
Manufacturer Part Number	43222-2682
Manufacturer Warranty Description	12 months free warranty replacement.
Material Type	Plastic
Model Number	GUOTONG STORE
Number of Items	1
Number of Light Sources	300
Occasion	bedroom
Power Source	AC/DC
Product Style	Modern
Seasons	All Seasons
Special Feature	Cordless
Theme	modern
UPC	712755905669
Unit Count	16.4 Feet
Voltage	12 volts_of_direct_current
Water Resistance Level	Waterproof
Wattage	18 watts
hanging_pattern_layout	Linear

Warm LED Strip Lights, Waterproof Cuttable 300 SMD 2835 LED Tape, 3000K 16.4ft/5m 12V Flexible Ribbon, Kitchen Cabinet Lighting, Hotel, Club, Bar, No Power Supply

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