Jwin JK-333 user service Power Lines

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

19.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.

20.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
	STANDOFF
CONDUCTORS
	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).

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