Sony Trinitron KV-20M42 Operating Instructions Manual page 7

Grounding or Polarization
This s_ may be equipped with a p_ariz_'d eliminating current llne ping (a plug h_wing one
Made wider than other), This plug will fit into _he power otlflet only one way. This is a
saleiy feature, I{ you ar_:_trouble toin_,r t the plug f_llly int_ the o_ltlet_ try reversing the
_Yiug, If fhe plug should still fail l_ fit, c_ntact yc_l electrician to r_-place yc_lr obsolete outlet.
Do not defeat the safety p_lrpo_, of _he pNm:i/_Kt plug
Antennas
Outdoor Antenna Grounding
if an out_:!oor antenna is ins_lled_ lollow the precaufiort_ b_ow. An outdoor ant_-nna
s_tem should not be k_at_'d in the vicinity ot overhead power lines or _h_-r elecMe ]ighi or
power cieeult_, or where ii can come in eonk_ct with such power ]in_s or drcc_lk_.
_IEN rNSTALLING AN OU'I_?OR ANTENNA SYSTEM, EXTNEME CARE SHOL_D
BE TAKEN TO KEEP FROM CONTACTING SUCIt IK)%rER LrNTS OR CTRCL_ AS
CONTACT Wl_I1 T 'IX|EM IS ALMC_T TNWARIA BLY FATAL.
sur_ the ant_mna system is grc_mded so as to provide _me protection agairtsi voltage
s_rg_ and b_ili-np st_ tlc charges, Section 810 of _he Na tlcn_aI Elect-rical Code (N_C) in USA
and _on 54 of the Canadian Electrical Code in Canada provides informa_cn_ with t_pect
to p_:oper grounding of the mast and s_pp_r t_ng st_uct_re, grounding of the lead-in wi_, to
an antenna disffharge unit, size ot grounding conductors, Iteration ot antenna di_hm:ge unit,
connection _o grc_mding electTod_s, and veqt_irem,_nts for fhe grocmding ffleclmde.
Antenna Grounding According to the NEC
Ref_r _ _e_ 54-300 of Canadian Electrical Code for Antenna Grounding,
N_ C _ NATIONAL F;L_T_;C _ODE
Lightning
Fo_ added protect:k_n for this tNevlsion receiver during a lightning storm_ or wh_n it is Ief_
unatK_nded and u m_'d for long pm'iods of t-lme, tmplug i_ fTom the wall outlet and
di_nn_'ct _he antenna, This will prevent damage to fhe rt, c_ver d_e to lightning and
power-line surges,