120 V systems combined, so each L, either 1
or 2, is actually a separate 120 V service.
Remember the tool only comes equipped with
a three-prong 15 amp plug set, so you will
have to make some plug modifications for
marine applications.
Value and Utility
The SureTest is the tool I use most with AC
circuit analysis, and I think anyone working
with AC systems should own one. When you
use it, keep in mind that the electrical toler-
ance specifications discussed above apply to
most of North America, and that other areas
(that provide 120 V, 60 Hz service or 240 V,
four-wire service) may have different require-
ments, which you should confirm locally.testing ac and grounding systems 59