Power Lines

17.Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the unit through openings.

18.Damage Requiring Service The appliance should be serviced by qualified service personnel when:

A.The power supply cord or the plug has been damaged; or

B.Objects have fallen, or liquid has been spilled into the appliance; or

C.The appliance has been exposed to rain; or

D.The appliance does not appear to operate normally or exhibits a marked change in performance; or

E.The appliance has been dropped, or damaged.

19.Servicing The user should not attempt to service the appliance beyond instructions given in the operating instructions. All other servicing should be referred to qualified service personnel.

	POWER LINES
	SERVICE ENTRANCE	GROUND CLAMPS
	SERVICE ENTRANCE	STANDOFF
	CONDUCTORS	STANDOFF
		INSULATORS b
		MAST

SERVICE

ENTRANCE

EQUIPMENT

GROUND WIRE GROUND CLAMPS a. a

POWER SERVICE GROUNDING ELECTRODE SYSTEM

(e.g. ntenor water pipe)

BONDING JUMPER c

ANTENNA

LEAD IN WIRE

ANTENNA

DISCHARGE

UNIT c

TO EXTERNAL ANTENNA

TERMINALS OF PRODUCT

GROUND WIRE a. a

GROUND CLAMPS

OPTIONAL ANTENNA GROUNDING ELECTRODE DRI/ENG FEET (2.44 m) INTO THE EARTH

IF REQUIRED BY LOCAL CODES SEE NEC SECTION 810-21 (1)

FIGURE 73.1

EXAMPLE OF ANTENNA GROUNDING AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS CONTAINED IN ARTICLE 810-

RADIO AND TELEVISION EQUIPMENT

a.Use No. 10 AWG (5.3 mm2) copper, No. 8 AWG (8.4 mm2) aluminium, No. 17 AWG (1.0 mm2) copper-clad steel or bronze wire, or larger, as a ground wire.

b.Secure antenna lead-in and ground wire to house with stand-off insulators spaced from 4 - 6 feet (1.22 - 1.83 m) apart.

c.Mount antenna discharge unit as close as possible to where lead-in enters house.

d.Use jumper wire not smaller than No. 6 AWG (13.3 m 2) copper, or the equivalent when a separate antenna-grounding electrode is used. See NEC Section 810 - 21 (i).

jk-3030 specifications

The Jwin JK-3030 is a versatile multimedia player that has gained popularity for its combination of features, portability, and user-friendly design. This compact device serves as an excellent option for consumers who are looking for an all-in-one solution for their media playback needs.

One of the standout features of the JK-3030 is its support for various file formats, including MP3, WMA, and even video formats like AVI and MPEG. This broad compatibility allows users to enjoy their favorite music and videos without the need for extensive format conversion, making it incredibly convenient for on-the-go entertainment.

The JK-3030 is equipped with a 3-inch TFT LCD display, providing vibrant visuals for video playback and clear navigation through the device's menus. The display ensures that users can easily browse their media library, select songs, and watch videos with a decent resolution. The device's intuitive interface makes it user-friendly, allowing even the least tech-savvy individuals to enjoy its features.

Connectivity is another key aspect of the Jwin JK-3030. It features a USB port that allows for easy transfer of files between the device and a computer. This connectivity allows users to load their media files effortlessly, ensuring that their favorite content is always at their fingertips. Additionally, the JK-3030 includes an SD card slot, enabling users to expand their storage capacity to accommodate large libraries of music and videos.

Another remarkable feature of the JK-3030 is its built-in rechargeable battery. This provides users with the freedom to enjoy their media without being tethered to a power source. The battery life is impressive, allowing for several hours of continuous playback, ideal for long journeys or extended use.

Moreover, the sound quality delivered by the JK-3030 is commendable. Boasting built-in stereo speakers, it provides clear and loud audio output, enhancing the overall media experience. For those who prefer private listening, the device also includes a headphone jack, allowing users to connect their favorite headphones for a more personal audio experience.

With its combination of features, including broad format compatibility, a vibrant display, extensive connectivity options, and impressive sound quality, the Jwin JK-3030 is an excellent choice for multimedia enthusiasts. Whether for casual listening or video playback, this device efficiently meets the diverse entertainment needs of users, making it a worthy addition to anyone's electronic collection.

Jwin jk-3030 user service Power Lines

Models: jk-3030

jk-3030 specifications