Try laboratory-suppliers' catalogues and compare prices.
The Underwriters Laboratory does monitor the cost of electrical appliances.
It costs about $22 a year, or about $2 a month. It really depends on how much you run it.
$40.00 a year
It depends on your location.
Try laboratory-suppliers' catalogues and compare prices.
it cost 50$
The Underwriters Laboratory does monitor the cost of electrical appliances.
a lot
0.00
Millions
2000$
$30-40, depending when you register.
about 1.5 million a month
500 a month
a couple thousand
42,000,000,000 per year