The supplied LTspice zig-zag resistor symbol is rather non-standard as it has only 2 humps on each side, whereas typically the symbol has 3 or 4 humps.
Below is the modified symbol with 3 humps (4 seems a little busy to me), along with the attached .asy symbol file, if you are interested in changing the standard LTspice symbol to make the schematics look a little more conventional.
It's the same length as the 2 hump symbol so should cause no problem when older schematics are opened with the new symbol.
The added small bubble at the top indicates positive current polarity for current into that terminal.
It is not always apparent which direction is positive resistor current when it is plotted in LTspice, so the bubble will indicate that unambiguously.
Below is the modified symbol with 3 humps (4 seems a little busy to me), along with the attached .asy symbol file, if you are interested in changing the standard LTspice symbol to make the schematics look a little more conventional.
It's the same length as the 2 hump symbol so should cause no problem when older schematics are opened with the new symbol.
The added small bubble at the top indicates positive current polarity for current into that terminal.
It is not always apparent which direction is positive resistor current when it is plotted in LTspice, so the bubble will indicate that unambiguously.
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