| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| Knetbooks Used |
Used | $120.28 as of Oct 20, 2026, 5:28 AM ET |
at checkout | |||
| eCampus (Marketplace) Used (Marketplace) |
Used (Marketplace) |
$136.95 as of Oct 20, 2026, 5:28 AM ET |
$3.97 | |||
| Knetbooks New |
New | $163.60 as of Oct 20, 2026, 5:28 AM ET |
at checkout | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| Knetbooks Used |
Used | $120.28 as of Oct 20, 2026, 5:28 AM ET |
at checkout | |||
| eCampus (Marketplace) Used (Marketplace) |
Used (Marketplace) |
$136.95 as of Oct 20, 2026, 5:28 AM ET |
$3.97 | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| Knetbooks New |
New | $163.60 as of Oct 20, 2026, 5:28 AM ET |
at checkout | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| BiggerBooks New, used & rental |
New, used & rental | Check price at BiggerBooks |
at checkout | |||
| VitalSource eBook |
eBook | Check price at VitalSource |
at checkout | |||
| RedShelf eTextbook |
eTextbook | Check price at RedShelf |
at checkout | |||
| Amazon New & used |
New & used | Check price at Amazon |
at checkout | |||
| AbeBooks Used & new (marketplace) |
Used & new (marketplace) | Check price at AbeBooks |
at checkout | |||
| SellBackBooks Sell back |
Sell back | Check price at SellBackBooks |
at checkout | |||
Prices checked Oct 20, 2026, 5:28 AM ET. Totals include shipping where the store lists it. As an Amazon Associate, CheapestTextbooks.com earns from qualifying purchases.
Based on the 2020 National Electrical Code (NEC), the NATIONAL ELECTRICAL CODE 2020 softbound edition includes the most current requirements and emerging topics, such as renewable energy and energy storage, to help protect and build a safer world.
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