Here is the professional classification, tax analysis, and customs clearance guide for Ceramic Lamp Socket Screw Type, formatted in a wiki-style, visually engaging layout based strictly on the provided data.

⚡ Ceramic Lamp Socket Screw Type (Ceramic Insulators)

🌐 Global HS Code Reference & Customs Clearance Strategy | 2026 Tariff Deep Dive

🔍 The Core Conflict: Is it a Ceramic Insulator (0% duty) or a General Ceramic Part (High Duty)?
⚠️ Critical Warning: The material composition and specific function determine a 0% vs 50% tax difference!

📦 一、产品分类深度解析：为什么它这么重要？

Ceramic Lamp Socket Screw Type (陶瓷灯座螺丝型) is an electrical component used to hold a screw-base light bulb. It consists of a ceramic insulating body and metal contacts.

In international trade, this product sits on a knife-edge between two classifications: 1. As an Electrical Accessory (HS 8536): If it is functionally designed specifically for switching/protecting circuits or connecting electrical circuits (voltage ≤ 1000V). 2. As a General Ceramic Article (HS 6914): If it is classified merely as an "other ceramic article" because it doesn't meet the specific electrical apparatus criteria or is imported as a general ceramic part.

⚠️ Key Distinction: * Scenario A (Pure Ceramic Article): If declared simply as "Ceramic Articles" without explicit electrical circuit connection context $\rightarrow$ HS 6914. * Scenario B (Electrical Component): If declared as "Lamp-holders" or "Electrical Apparatus" for circuits $\rightarrow$ HS 8536.

📊 二、HS Code 分类明细与关税对照表 (2026最新数据)

Based strictly on the provided data, here is the breakdown for Ceramic Lamp Sockets.

> Note on 9405.99.40.90: This code applies only if the screw type socket contains significant Steel, Aluminum, or Copper components (e.g., metal shell or base). If the item is purely ceramic with a minimal metal contact, it usually falls under 8536, not 9405.

💰 三、关税条款详细解析 (Tax Clause Deep Dive)

🎯 1. HS 8536.61.00.00 — The "Golden" Classification (Ideal Scenario)

• Description: Electrical apparatus for switching/protecting circuits (voltage ≤ 1000V); Lamp-holders.
• Base Tax: 0.0% (Standard MFN).
• Additional Tax: 0.0%.
• Total Tax: 0.0%.
• Strategy: This is the best-case scenario. If your ceramic screw-type socket is clearly defined as an electrical component for a circuit, you pay NO tax.
• Why? It is recognized as a functional electrical part, not just a raw ceramic item.

🎯 2. HS 6914.10.80.00 — Porcelain/Ceramic "Other" (Alternative)

• Description: Other ceramic articles of porcelain or china.
• Base Tax: 0.0%.
• Additional Tax: 0.0%.
• Total Tax: 0.0%.
• Strategy: If the customs authority views the item strictly as a "ceramic insulator" rather than a "lamp holder" assembly, this code also results in 0%.
• Risk: This is often a fallback classification if the electrical function isn't the primary focus of the declaration.

🚨 3. HS 6914.90.80.00 & 8536.69.80.00 — The "High Risk" Zone

• Scenario: "Other" ceramic articles (non-porcelain) OR "Other" lamp-holders (non-standard).
• Total Tax: 30.6% (6914) or 27.7% (8536).
• The Trap: The 25.0% Additional Duty (likely Section 301 or similar trade remedy tariff) applies here.
• Result: A massive increase in cost. Do not use these codes unless the product is non-standard or "other" specific type.

⚠️ 4. HS 9405.99.40.90 — The "Steel/Al/Cu" Trap

• Description: Parts of luminaires (Other).
• Total Tax: 50.0%.
• Crucial Clause: "Steel, Aluminum, Copper articles: Additional Tax 50%".
• Warning: If your screw-type socket has a metal base or is made of metal with ceramic parts, and it is declared as a "Part of a luminaire" (9405 series), you may face a 50% surcharge if it falls under the metal-specific penalty clause.
• Avoidance: Ensure it is classified as a Electrical Apparatus (8536) first, not just a "Part" of a fixture, to avoid the 50% metal tariff.

🛠️ 四、清关实操建议 (Customs Clearance Strategy)

✅ 1. Product Documentation Checklist

To secure the 0.0% tax rate (HS 8536.61.00.00 or 6914.10.80.00), you must provide: * Technical Datasheet: Explicitly stating "Voltage ≤ 1000V" and "Function: Connecting electrical circuits." * Assembly Photos: Showing the ceramic insulator, metal contacts, and screw base together as a unit. * Material Statement: Confirming the primary insulating material is Porcelain/China. * Application Note: "Intended for use in lighting fixtures for electrical circuits."

✅ 2. Declaration Tips (The "Keyword" Game)

• DO SAY: "Electrical Lamp Holder, Screw Type, Ceramic Base, for Lighting Circuits."
• DON'T SAY: "Ceramic Part," "Lighting Fixture Accessory," or "Light Bulb Holder."
• Why? "Lamp Holder" (Lamp-holders) points to 8536 (0% tax). "Ceramic Part" points to 6914 (0% or 30.6% depending on subtype). "Fixture Part" points to 9405 (Potential 50% tax if metal).

✅ 3. Material Composition Check

• Pure Ceramic + Minimal Metal Contacts: Stick to 8536.61.00.00 (0% tax).
• Heavy Metal Shell/Base: Be extremely careful. If declared under 9405, check if the metal content triggers the 50% surcharge. If possible, argue it is an electrical component (8536) rather than a fixture part (9405).

✅ 4. Avoid the "Other" Codes

• Avoid 6914.90.80.00 (30.6%) and 8536.69.80.00 (27.7%) unless the product is genuinely "Other" or non-standard.
• Standard Screw-Type Ceramic Lamp Sockets should almost always fall under 8536.61.00.00 (Standard Lamp-holders) which is 0.0%.

📌 五、常见错误与避坑 (Common Pitfalls)

🎯 六、总结：如何降低税务成本？

1. Priority 1: Target HS Code 8536.61.00.00.
   • Tax: 0.0%
   • Reasoning: It is a standard "Lamp-holder" for electrical circuits.
2. Priority 2: Target HS Code 6914.10.80.00.
   • Tax: 0.0%
   • Reasoning: It is "Porcelain/China" ceramic article (0% base, 0% add-on).
3. Avoid: 9405 codes (unless you are sure about the 50% metal penalty) and 6914.90/8536.69 (the "Other" categories with 25%+ add-ons).

💡 Pro Tip: If you are exporting to the US (implied by the "Additional Duty" structure in the data), the 0.0% rate for 8536.61.00.00 is your "Green Light." Ensure your commercial invoice clearly describes the item as an Electrical Lamp Holder to avoid being taxed as a generic ceramic part.

🚀 Ready to Ship?
Double-check your invoice description: "Ceramic Screw-Type Lamp Holder for Electrical Circuits" = 0.0% Duty.
"Classification is everything in customs!"