why do plugs have two prongs

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do plugs have two prongs	1.54	1	6652	64	28
why	0.71	0.7	4878	69	3
do	0.18	0.8	8508	72	2
plugs	1.97	0.3	9815	94	5
have	1.22	0.9	1634	12	4
two	0.45	1	7595	90	3
prongs	0.43	0.7	2302	72	6

Keyword	CPC	PCC	Volume	Score
why do plugs have two prongs	0.36	1	2253	26
why do all plugs have two prongs	0.62	0.6	7673	15
why do plugs have two holes in prongs	0.34	0.2	3684	21
why do electrical plugs have two prongs	1.02	0.5	5589	33
why do all plugs have two prongs on the plug	1.98	1	4012	86
why plugs have two holes in the prongs	1.83	0.6	322	9
why do plugs have different size prongs	0.52	0.9	1578	17
why do some plugs have 3 prongs	1.27	0.2	954	96
why do plugs have a third prong	1.06	0.5	120	95
why do plug prongs have holes	0.13	0.1	4014	80
three prong vs two prong plugs	0.98	0.9	9276	96
prongs on a plug	1.4	0.8	5668	33
does a grounded plug have two prongs	0.58	0.6	8435	94
why does electric plug have larger prong	0.85	0.1	4501	42
two prong electrical plug	0.67	0.8	8576	11
why holes in plug prongs	0.61	1	5386	15
what is a two prong plug called	1.44	0.5	7882	82
types of 2 prong plugs	1.58	0.8	7116	18
difference between 3 prong plugs	0.54	0.3	2077	26
how to wire a two prong plug	1.42	0.6	7623	95
two prong plug to three prong plug	1.83	0.9	8790	45
three prong plug to two prong	0.26	0.9	1761	77
two prong replacement plug	0.29	0.6	4421	18