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2. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   In older plug designs both blades were the same width, so the plug could be inserted into the receptacle either way around. Many plugs manufactured since 1948 are polarized ; the neutral blade is 5 ⁄ 16 in or 7.9 mm wide, 1 ⁄ 16 in or 1.6 mm wider than the line blade, so the plug can be inserted only one way.

3. Industrial and multiphase power plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/Industrial_and_multiphase...

   The term plug is in general and technical use in all forms of English, common alternatives being power plug, [1] electric plug, [2] and (in the UK) plug top. [3] The normal technical term (in both British and International English) for an AC power socket is socket-outlet , [ 4 ] but in non-technical common use a number of other terms are used.

4. Should You Cover Your Outdoor Faucets In The Winter? An ... - AOL

   www.aol.com/cover-outdoor-faucets-winter-expert...

   Even if your home or structure is equipped with frost-proof outdoor faucets, Paul Abrams, company spokesperson for Roto-Rooter, says that it’s still a good idea to cover the faucets with an ...

5. Tamperproofing - Wikipedia

   en.wikipedia.org/wiki/Tamperproofing

   Tamperproofing is a methodology used to hinder, deter or detect unauthorised access to a device or circumvention of a security system. Since any device or system can be foiled by a person with sufficient knowledge, equipment, and time, the term "tamperproof" is a misnomer unless some limitations on the tampering party's resources is explicit or assumed.

6. Tamper-evident band - Wikipedia

   en.wikipedia.org/wiki/Tamper-evident_band

   A tamper-evident band or security ring serves as a tamper resistant or tamper evident function to a screw cap, lid, or closure. [1] The term tamper-proof is sometimes used but is considered a misnomer given that pilfering is still technically possible. [2] A security band can be integrated with the cap or can be a separate package component.

7. Tamper-evident technology - Wikipedia

   en.wikipedia.org/wiki/Tamper-evident_technology

   FDA Compliance Policy Guides – CPG Sec. 450.500 Tamper-Resistant Packaging Requirements for Certain Over-the-Counter Human Drug Products "Improving Tamper-Evident Packaging: Problems, Tests and Solutions", Jack L. Rosette, 1992 "Tamper Evident Microprocessors", Adam Waksman and Simha Sethumadhavan, 2010; Ho; et al. (2010).

8. Electrical equipment in hazardous areas - Wikipedia

   en.wikipedia.org/wiki/Electrical_equipment_in...

   The heavy case is secured with tamper-resistant bolts to deter unauthorized opening of the case. The International Electrotechnical Commission publishes the 60079 series of standards [ 2 ] which defines a system for classification of locations, as well as categorizing and testing of equipment designed for use in hazardous locations, known as ...

9. Residual-current device - Wikipedia

   en.wikipedia.org/wiki/Residual-current_device

   A Leviton GFCI "Decora" socket in a North American kitchen. Local electrical code requires tamper-resistant socket in homes, and requires a GFCI for socket within 1 metre of a sink. The T-slot indicates this device is rated 20 A and can take either a NEMA 5-15 or a NEMA 5-20 plug, though the latter type is rare on household appliances.