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Delivery in 3–5 business days after shipping.
Return within 30 days from delivery date.
The code you—and the world—depend on to keep pace with ever-evolving electrical hazards and challenges. NFPA 70, National Electrical Code (NEC), is the authoritative document addressing electrical installations in residential, commercial, and industrial settings. The NEC is revised every three years to stay in sync with industry practices, emerging trends, and the development and introduction of technologies to provide comprehensive rules for designers, installers, inspectors, engineers, electricians, and anyone else who works in the electrical industry. The code is organized for ease of use.
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✅ Returns: Returns accepted within 30 days from the date the carrier tracking shows “Delivered.” Items must be unused/unread and unmarked. Start a return by emailing support@bookvalleyusa.com (or bookvalleyusa@gmail.com) with your order number. If approved, we email a free return label. Refunds are issued to the original payment method after inspection.
Returns are accepted within 30 days from the delivery date shown on the courier’s tracking page. Items must be unused/unread, unmarked, and in original condition (no writing, highlighting, stains, or damage). To start a return, email support@bookvalleyusa.com (or bookvalleyusa@gmail.com) with your order number and reason (include photos if the item arrived damaged or incorrect). If approved, we’ll email a free return shipping label. please return the item (if eligible) and place a new order. Refunds are issued to the original payment method after inspection.
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